IQ Materia Medica
for homeopathic remedies
A
Abies canadensis
Abies canadensis is a tall, graceful evergreen conifer of the Pinaceae family, native to the cooler forests of northeastern North America. Not to be confused with the poisonous Conium maculatum... View remedy...
Absinthium
Artemisia absinthium is a perennial aromatic herb of the Asteraceae family, native to temperate regions of Europe, Asia, and North Africa, and now naturalised in parts of North America. The... View remedy...
Acidum benzoicum
Benzoicum acidum is an aromatic carboxylic acid (C₆H₅COOH) occurring naturally in benzoin resin, cranberries, and other plants. In crude form it appears as colourless crystals with a faint aromatic odour... View remedy...
Acidum boricum
Boric acid (H₃BO₃) is a weak monobasic Lewis acid of boron, occurring naturally as the mineral sassolite, particularly in volcanic regions such as Tuscany, and in hot springs. It forms... View remedy...
Acidum carbolicum
An aromatic organic compound (C₆H₅OH) obtained originally from coal tar, now produced synthetically. Appears as colourless crystals or a colourless to pinkish liquid, with a distinctive tar-like odour. Used in... View remedy...
Acidum muriaticum
Muriaticum acidum is a solution of hydrogen chloride gas in water—commonly known as hydrochloric acid, a corrosive, highly acidic compound used industrially. In homeopathic form, it acts primarily on the... View remedy...
Acidum sulphuricum
A strong, corrosive mineral acid with the chemical formula H₂SO₄, Sulphuricum acidum is produced by oxidising sulphur and combining it with water. It is colourless to slightly yellow, oily, and... View remedy...
Aconitum napellus
Aconitum napellus is a tall, flowering plant known for its striking blue to purple hood-shaped blossoms. It is one of the most poisonous plants in Europe, containing the alkaloid aconitine,... View remedy...
Aesculus
A deciduous tree native to southeastern Europe; its seeds (conkers) contain aescin, a complex mixture of saponins known for venotonic properties. View remedy...
Agaricus muscarius
A bright red, white-spotted hallucinogenic mushroom found in temperate regions of the Northern Hemisphere; traditionally known for its toxic and mind-altering properties due to the presence of muscarine, muscimol, and... View remedy...
Ailanthus glandulosa
Ailanthus glandulosa is a fast-growing deciduous tree native to China, now widely naturalised across Europe and North America. Known for its resilience in poor soils, it is often considered invasive.... View remedy...
Aletris farinosa
Aletris farinosa is a perennial herb of the family Nartheciaceae, native to the eastern United States. It grows in dry, sandy soils, producing a basal rosette of narrow leaves and... View remedy...
Alfalfa
Medicago sativa is a perennial flowering plant in the legume family Fabaceae, native to southwest Asia and cultivated globally as a high-protein forage crop. Its deep root system allows it... View remedy...
Allium cepa
Allium cepa is one of the oldest cultivated vegetables, belonging to the family Amaryllidaceae. Its fleshy bulb is rich in sulphur-containing compounds (including allyl-propyl disulphide), which are released when cut,... View remedy...
Allium sativum
Allium sativum is a perennial bulbous plant of the family Amaryllidaceae, native to Central Asia and cultivated worldwide as a culinary and medicinal herb. Its strong odour and pungent taste... View remedy...
Aloe socotrina
Aloe socotrina is a succulent plant of the Asphodelaceae family, native to the island of Socotra and other arid regions of Africa and the Arabian Peninsula. The remedy is prepared... View remedy...
Aloe Socotrina
A gum-resin obtained from the leaves of Aloe perryi or related aloe species native to the island of Socotra. The resin is rich in anthraquinones and traditionally known for its... View remedy...
Alumina
Alumina is the oxide form of aluminium (Al₂O₃), a white, odourless, tasteless powder. It is widely distributed in nature as bauxite and is refined industrially for various uses. In homeopathy,... View remedy...
Alumina silicata
A naturally occurring mineral from the feldspar group, Alumina silicata is a potassium aluminium silicate (chemical formula: KAlSi₃O₈) found abundantly in granite and other igneous rocks. It forms part of... View remedy...
Ambra grisea
Ambergris is a waxy, aromatic substance excreted by the sperm whale (Physeter macrocephalus), found floating in tropical oceans or washed ashore. It is a complex mixture of lipids, steroids, and... View remedy...
Ambrosia artemisiifolia
Ambrosia artemisiifolia is an annual herbaceous plant native to North America, belonging to the Asteraceae family. Its finely divided leaves and inconspicuous green flowers produce prodigious quantities of airborne pollen,... View remedy...
Ammonium bromatum
Ammonium bromatum is a chemical compound formed by the union of ammonium and bromine, with the formula NH₄Br. In pure form, it is a white crystalline salt, odourless, with a... View remedy...
Ammonium carbonicum
A chemical salt made by sublimation of ammonium chloride and calcium carbonate, forming a pungent, alkaline compound. Often used in commercial smelling salts. View remedy...
Amyl nitrosum
Amyl nitrosum is an organic nitrite ester derived from amyl alcohol (C₅H₁₁OH) and nitrous acid (HNO₂). It is a volatile liquid, pale yellow, with a fruity odour, known for its... View remedy...
Anacardium orientale
Anacardium orientale is derived from the juice of the Semecarpus anacardium nut, a tree native to India. The juice is highly irritant and vesicant to the skin and mucous membranes.... View remedy...
Anthracinum
Anthracinum is a nosode prepared from the purulent discharge and tissues of anthrax-infected animals. Anthrax is caused by Bacillus anthracis, a Gram-positive, spore-forming bacterium producing potent exotoxins. The remedy is... View remedy...
Antimonium crudum
Derived from the natural mineral Stibnite, a black, crystalline sulphide of antimony (Sb₂S₃). Used historically in cosmetics (kohl), medicine, and alchemical processes. In its crude form, it is toxic, causing... View remedy...
Antimonium tartaricum
A double salt of antimony and potassium tartrate (chemical formula: K(SbO)C₄H₄O₆·½H₂O), Antimonium tartaricum was once widely used in conventional medicine as an emetic and expectorant, but is highly toxic in... View remedy...
Apis mellifica
Apis mellifica is prepared from the whole live honeybee, including its venom, organs, and fluids, triturated and potentised in accordance with homeopathic pharmacy standards. The venom contains multiple biologically active... View remedy...
Apocynum cannabinum
Derived from the fresh root of Apocynum cannabinum, a perennial herb native to North America. Belonging to the Apocynaceae family, the plant contains powerful cardiac glycosides similar to digitalis, making... View remedy...
Aralia racemosa
Aralia racemosa is a perennial herb native to North America, particularly abundant in the eastern United States and parts of Canada. Belonging to the Araliaceae family, it grows in rich... View remedy...
Aranea diadema
Aranea diadema is a large orb-weaving spider native to Europe, easily recognised by the white cross-shaped markings on its abdomen. In homeopathy, the remedy is prepared from the live spider,... View remedy...
Arnica montana
Arnica montana is a perennial flowering herb native to the mountains of Central and Southern Europe. The plant bears yellow, daisy-like flowers and has been used since ancient times in... View remedy...
Arsenicum album
Arsenicum album is a potentised preparation of arsenic trioxide (As₂O₃), a white, crystalline, odourless powder that is highly toxic. Historically known for its role as a poison, it also held... View remedy...
Arsenicum iodatum
Arsenicum iodatum is a chemical compound (AsI₃), prepared by combining elemental arsenic with iodine. It crystallises as red or orange-red solids and is soluble in alcohol but decomposes in water.... View remedy...
Arsenicum sulphuratum flavum
This mineral, chemically As₂S₃, is a naturally occurring yellow crystalline arsenic trisulphide, often found as the mineral orpiment. It has been historically sourced from volcanic fumaroles, hydrothermal veins, and mineral... View remedy...
Artemisia vulgaris
Artemisia vulgaris is a perennial plant of the Asteraceae family, native to Europe, Asia, and North America. It has been used for centuries in herbal medicine and folklore for its... View remedy...
Arum triphyllum
The fresh corm of Arum triphyllum, a perennial plant native to moist woodlands of North America. It has a three-part leaf (hence triphyllum), a distinctive hooded spathe, and an acrid,... View remedy...
Asarum europaeum
Asarum europaeum is a low-growing, evergreen perennial native to shaded, moist woodlands of Europe. It bears two kidney-shaped leaves and small, inconspicuous brownish-purple flowers close to the ground. The whole... View remedy...
Asclepias tuberosa
Asclepias tuberosa is a perennial herb native to North America, notable for its bright orange to yellow flower clusters and its traditional use by Native Americans as a remedy for... View remedy...
Astacus fluviatilis
Astacus fluviatilis is a species of freshwater crustacean found in European rivers and lakes. The remedy is prepared from the entire animal, traditionally dried and triturated, sometimes roasted before trituration.... View remedy...
Asterias rubens
Asterias rubens is a marine echinoderm found in the North Atlantic and European coastal waters. The whole animal is macerated in alcohol to produce the tincture. It exerts a deep... View remedy...
Aurum metallicum
Aurum metallicum is prepared from pure elemental gold (Au), a noble metal known for its incorruptibility and luster. In ancient traditions, gold was associated with the sun, immortality, and the... View remedy...
Aurum muriaticum natronatum
This compound is a double chloride of gold and sodium, chemically formed as Na[AuCl₄], commonly known as gold sodium chloride. In its crude form, it appears as reddish-yellow crystals, soluble... View remedy...
Avena sativa
Avena sativa is an annual grass cultivated worldwide for its grain, fodder, and medicinal value. The homeopathic preparation is made from the fresh green plant, gathered during the flowering stage,... View remedy...
B
Babesia
Babesia are intra-erythrocytic protozoa (Apicomplexa) transmitted chiefly by ticks, producing a malaria-like febrile illness with haemolysis, jaundice, “air hunger,” sweats, splenic enlargement, and post-febrile exhaustion. The nosode is prepared by... View remedy...
Bacillinum
Prepared from a pathological specimen of tubercular lung tissue, specifically the sputum of a consumptive patient. The preparation includes the bacillus of Koch in its dynamised form. View remedy...
Badiaga
Badiaga is prepared from a freshwater sponge that inhabits rivers and lakes, particularly in Russia and North America. The plant-animal organism is composed of a fibrous network embedded with siliceous... View remedy...
Balsamum Copaivae
An oleo-gum resin obtained by tapping South American Copaifera trees; contains sesquiterpene hydrocarbons (e.g., caryophyllene) and resin acids (copaivic acid). In crude practice it is an antiseptic diuretic for mucous... View remedy...
Baryta carbonica
A chemical compound, BaCO₃, Barium carbonate occurs as a white crystalline solid. It is sparingly soluble in water and toxic in crude form. View remedy...
Baryta iodata
Baryta iodata is a double chemical salt, prepared from barium and iodine. In homeopathy, it is potentised from a triturated mixture of the pure salt, which is crystalline, white, and... View remedy...
Baryta muriatica
Prepared from the pure chemical Barium chloride (BaCl₂·2H₂O), a crystalline, highly soluble salt formed by combining barium carbonate or barium sulphide with hydrochloric acid. In its crude form, it is... View remedy...
Belladonna
Belladonna is prepared from the fresh flowering plant Atropa belladonna, a toxic herbaceous perennial native to Europe and North Africa. It contains potent alkaloids including atropine, hyoscyamine, and scopolamine, which... View remedy...
Benzinum
Benzinum in homeopathy refers to the purified light fraction of petroleum distillation, consisting mainly of hydrocarbons such as pentane and hexane. It is a volatile, colourless, highly flammable liquid with... View remedy...
Benzinum nitricum
Benzinum nitricum is chemically nitrobenzene (C₆H₅NO₂), a pale yellow oily liquid with the distinct odour of bitter almonds, synthesised by nitrating benzene with fuming nitric acid. It is insoluble in... View remedy...
Berberis aquifolium
A perennial evergreen shrub native to the Pacific Northwest of North America. It contains the alkaloids berberine, berbamine, and oxyacanthine. In herbal medicine it is valued for its tonic and... View remedy...
Berberis vulgaris
A deciduous shrub native to Europe, North Africa, and parts of Asia. In herbal medicine, the bark and berries contain the alkaloid berberine, well known for its bitter taste and... View remedy...
Bismuthum metallicum
Bismuth is a brittle, crystalline metal (symbol Bi, atomic number 83), often found in nature in ores or as a by-product of lead and copper smelting. It has a pearlescent... View remedy...
Borax veneta
Borax is a naturally occurring compound of sodium, boron, oxygen, and water (Na₂[B₄O₅(OH)₄]·8H₂O), obtained from dried lake beds in regions such as Tibet and California. It appears as soft white... View remedy...
Bothrops lanceolatus
Prepared from the venom of the Bothrops lanceolatus, a highly venomous pit viper native to Martinique and nearby Caribbean islands. The snake’s venom contains potent procoagulant enzymes and tissue-destroying toxins,... View remedy...
Bovista gigantea
Prepared from the dried spores of the puff-ball fungus, a large Basidiomycete found in meadows, pastures, and open woods, particularly in Europe and North America. In its fresh state, the... View remedy...
Bryonia alba
Bryonia alba is a climbing perennial plant native to Europe and Northern Iran, belonging to the cucumber (Cucurbitaceae) family. It contains powerful active compounds, including bryonin and cucurbitacins, which have... View remedy...
Bufo rana
Prepared from the venom of the common European toad (Bufo vulgaris), secreted from the parotid and skin glands. The crude secretion contains bufotoxin, bufotenin, and other cardioactive compounds. In nature,... View remedy...
Bursa pastoris
Bursa pastoris is a small annual plant in the mustard family, characterised by its triangular, purse-shaped seed pods resembling an old-fashioned shepherd’s leather purse. Widely distributed in temperate regions, it... View remedy...
C
Cactus grandiflorus
Cactus grandiflorus is a climbing cactus native to the tropical regions of the West Indies and Central America. Its large, fragrant, white flowers open at night and wither by morning,... View remedy...
Cadmium sulphuratum
Cadmium sulphuratum is a bright yellow crystalline compound of cadmium and sulphur (chemical formula: CdS). Naturally occurring as the mineral greenockite, it is insoluble in water but highly toxic in... View remedy...
Caladium seguinum
Caladium seguinum belongs to the Araceae family, native to tropical America. The plant contains acrid, needle-like calcium oxalate crystals and an irritating juice that can cause intense burning and swelling... View remedy...
Calcarea carbonica
This remedy is prepared from the middle layer of the oyster shell (inner calcium carbonate-rich layer), which is washed, triturated, and potentised according to homeopathic methods. Chemically, calcium carbonate (CaCO₃)... View remedy...
Calcarea hypophosphorosa
A chemical compound formed from calcium and hypophosphorous acid (Ca(H₂PO₂)₂), appearing as a white crystalline powder, soluble in water. Prepared in homeopathy by trituration of the pure salt. Known chemically... View remedy...
Calcarea iodata
A compound of calcium and iodine (CaI₂), prepared by saturating a solution of calcium carbonate or lime with hydriodic acid. Appears as colourless crystals or powder, highly soluble in water,... View remedy...
Calcarea phosphorica
A mineral salt composed of calcium and phosphoric acid (Ca₃(PO₄)₂), occurring naturally in bones, teeth, and certain rocks. Prepared for homeopathic use by triturating the pure salt. It represents the... View remedy...
Calendula officinalis
An annual herb native to southern Europe but widely cultivated in gardens for its bright orange-yellow flowers. Belonging to the Asteraceae (Compositae) family, Calendula is rich in carotenoids, flavonoids, and... View remedy...
Camphora
Camphor is a crystalline ketone obtained from the wood of the camphor tree (Cinnamomum camphora), native to East Asia. It has a penetrating, pungent odour and strong physiological effects on... View remedy...
Cannabis indica
Prepared from the flowering tops of the female Cannabis sativa indica plant, rich in psychoactive resin (mainly Δ9-tetrahydrocannabinol). Used traditionally in spiritual, recreational, and medicinal contexts. View remedy...
Cannabis sativa
An annual herb of the Cannabaceae family, cultivated for millennia for its fibre (hemp), seed oil, and medicinal resin. Native to Central Asia but now widely grown. The fresh flowering... View remedy...
Cantharis vesicatoria
Cantharis vesicatoria is a green metallic beetle of the Meloidae family, historically used in medicine and torture due to its violent vesicant properties. The active irritant is cantharidin, which causes... View remedy...
Capsicum annuum
Prepared from the dried, ripe fruit of the plant Capsicum annuum, belonging to the Solanaceae family. The tincture is made from finely powdered dried pods macerated in alcohol. The plant... View remedy...
Carbo animalis
Prepared from the charcoal of animal bones, consisting largely of calcium phosphate, calcium carbonate, and carbon. The bones are charred in closed vessels to retain the phosphates. The tincture is... View remedy...
Carbo vegetabilis
Prepared by charring birch wood or beech wood in the absence of air, then triturated for homeopathic use. A highly porous substance capable of absorbing gases and toxins. View remedy...
Carboneum sulphuratum
A volatile, colourless liquid with a strong, unpleasant odour, prepared chemically from carbon and sulphur. It is heavier than water, highly inflammable, and toxic to the nervous system. The homeopathic... View remedy...
Carcinosinum
Derived from diseased cancerous tissue, often a glandular carcinoma (such as breast or uterus), sterilised and potentised. Variants include Carcinosinum Burnett, Carcinosinum of breast, and mixtures from multiple tumours. View remedy...
Castor equi
Castor equi is a small, flat, oblong‑oval, dark, horny excrescence growing on the inner side of the horse’s leg above the fetlock; its scales are triturated for the remedy. During... View remedy...
Castoreum canadense
Castoreum is the dried, resinous, musk-like secretion from the paired “castor sacs” (accessory scent glands) situated between the pelvis and tail of the beaver, near the anal glands. Traditional materia... View remedy...
Caulophyllum thalictroides
A perennial herb indigenous to North America, Caulophyllum thalictroides (family Berberidaceae) bears glaucous leaves and blue-black berries. Rhizome and root contain saponins (e.g., caulosaponin), alkaloids (e.g., magnoflorine, N-methylcytisine-type bases), and... View remedy...
Causticum
A chemical preparation created by Hahnemann himself: made by distilling a mixture of slaked lime (Calcium hydroxide) and bisulphate of potash (Potassium bisulphate), capturing the volatile alkaloid-like distillate. Not a... View remedy...
Ceanothus americanus
A low, deciduous shrub native to North America (family Rhamnaceae), with clusters of small, white flowers and a deep red-tinged root bark rich in tannins, resin, and saponin-like constituents (ceanothine... View remedy...
Cedron
Prepared from the seeds of Simaba cedron, a tropical American tree (New Granada/Colombia to Central America). The very hard, almond-like seeds contain intensely bitter quassinoids (quassin-type) and other bitter principles... View remedy...
Chamomilla
Prepared from the fresh flowering plant of Matricaria chamomilla, harvested before full bloom. It is rich in essential oils such as chamazulene and α-bisabolol, which are known for their anti-inflammatory,... View remedy...
Chelidonium majus
Chelidonium majus is a tall perennial herb from the Papaveraceae family, with bright yellow flowers and a distinctive orange sap. The sap is acrid and caustic, traditionally used to treat... View remedy...
Chenopodium anthelminticum
A strongly aromatic herb of the Amaranthaceae (formerly Chenopodiaceae), the seeds and leafy tops contain a volatile oil rich in ascaridole (a bicyclic monoterpene peroxide), plus related terpenes. In crude... View remedy...
Chimaphila umbellata
An evergreen, low, creeping plant of Ericaceae (wintergreen kin). The fresh leaves and tops are tinctured for homœopathic use. Phytochemistry (arbutin/hydroquinone derivatives, tannins, volatile principles) underlies historic urinary antiseptic/diuretic effects... View remedy...
China officinalis
China officinalis is prepared from the dried bark of the Cinchona tree, primarily Cinchona officinalis, native to South America. The bark contains a range of alkaloids, the most notable of... View remedy...
Chininum arsenicosum
A double salt uniting quinine (the antiperiodic alkaloid from Cinchona) with arsenic (as arseniate). Pharmacology marries periodicity-breaking (quinine) with profound prostration, burning pains, restlessness, cachexia (arsenic). Homœopathically, it addresses chronic... View remedy...
Chionanthus virginica
A North American shrub of Oleaceae (olive family). For homœopathic purposes the fresh bark of the root is tinctured and potentised. Traditional herbal use focused on the liver and biliary... View remedy...
Chloralum hydratum
A synthetic hypnotic/sedative introduced in the 19th century and widely employed for insomnia, delirium tremens, and convulsive states. Toxicologically it depresses the cerebrum, vaso-motor and cardiac centres, producing sopor, flushed... View remedy...
Cholesterinum
A neutral lipid (sterol) occurring in bile, gall-bladder calculi, brain and adipose tissue. For homœopathic use the pure substance is triturated and potentised. Classical authors (notably J. Compton Burnett) advanced... View remedy...
Cicuta virosa L.
A highly poisonous umbellifer growing in marshes and watery meadows of Europe and northern latitudes. The fresh rootstock contains cicutoxin and allied polyacetylenes—potent GABA_A antagonists producing explosive convulsions, opisthotonos, lockjaw,... View remedy...
Cina maritima
Cina maritima is a flowering plant of the Asteraceae family, native to the Middle East and Central Asia. It yields a potent anthelmintic known as santonin, traditionally used to expel... View remedy...
Cinnabaris
A naturally occurring mercuric sulphide found in cinnabar ore, historically the source of elemental mercury and the brilliant pigment vermillion. In crude form it is sparingly soluble yet, by vapour... View remedy...
Claviceps purpurea (Secale cornutum)
A parasitic fungus that infects rye and other cereal grains, producing dark, horn-shaped sclerotia. It contains potent alkaloids such as ergotamine and ergometrine, historically associated with toxic epidemics of gangrene... View remedy...
Cobaltum metallicum
A hard, silvery transition metal used for alloys and pigments (ceramic/“cobalt blue”), obtained from cobaltiferous ores. Occupational exposure (dust/fumes) is irritating to skin and mucosa; metallics as a group often... View remedy...
Cocainum hydrochloricum
Crystalline salt of the coca-leaf alkaloid used in medicine as a local anaesthetic and historically as a central stimulant. Toxicology shows swift exaltation (mental and motor), insomnia, tachycardia, vasoconstriction, mydriasis,... View remedy...
Cocculus indicus
The dried seed of Anamirta cocculus, a climbing plant native to Southeast Asia. The active chemical is picrotoxin—a toxic, bitter crystalline compound with stimulant and convulsant effects. View remedy...
Coccus cacti
Prepared from the dried female cochineal insect long used to produce the red dye carmine (anthraquinone carminic acid). Beyond its industrial use, crude cochineal is mildly irritant to mucous membranes... View remedy...
Coffea curda
Coffea cruda is prepared from the unroasted seeds of the Coffea arabica plant, a member of the Rubiaceae family. In its crude form, the bean contains significant quantities of caffeine,... View remedy...
Colchicum autumnale
Prepared from the fresh corm and seeds of Colchicum autumnale (family Colchicaceae; placed among Liliaceæ by older writers). The crude drug contains colchicine/colchiceine, highly mitotic-poison alkaloids that in toxic doses... View remedy...
Collinsonia canadensis
A North American labiate plant (modern Lamiaceae, older Labiatæ), the root and herb containing volatile oil, resin, tannin, and bitter principles. Eclectic physicians prized it for portal venous congestion, hæmorrhoids,... View remedy...
Colocynthis
A plant native to the Mediterranean, Citrullus colocynthis is a small gourd-like fruit with intense bitterness. In large doses, it is a violent purgative, acting strongly on the bowels and... View remedy...
Comocladia dentata
A resinous, highly irritant anacardiaceous tree allied to Rhus and Anacardium; the fresh juice is a powerful dermatitic and oedematous irritant (vesicating, erysipelatous), with marked ophthalmic irritation when brought near... View remedy...
Convallaria majalis
A small perennial of Asparagaceae (older Liliaceæ). The plant contains cardiac glycosides—notably convallatoxin—that, in crude form, slow and strengthen systole but readily provoke nausea, vomiting, headache, brady-arrhythmias, and collapse in... View remedy...
Cornus circinata
A North American dogwood of the Cornaceae, rich in bitter principles and tannins; the fresh bark (young branches/inner bark) yields a tincture. Empirical and eclectic use linked the plant with... View remedy...
Crocus sativus
From the stigmas of Crocus sativus (Iridaceae), a costly aromatic rich in crocin, picrocrocin, and safranal. In crude use it is stimulant, antispasmodic, and emmenagogue; toxic doses excite, accelerate the... View remedy...
Croton tiglium
Croton tiglium is a tropical shrub belonging to the Euphorbiaceae family. The oil extracted from its seeds, known as croton oil, is a potent vesicant and purgative, historically used in... View remedy...
Culex musca
A small hematophagous dipteran; the female’s salivary secretion contains vasodilators, anticoagulants, and proteases causing the familiar wheal-and-flare, pruritus, and sometimes urticarial or angioedematous reactions ([Toxicology]). Homœopathic preparations are made from... View remedy...
Cuprum aceticum
An inorganic copper salt, typically the cupric acetate monohydrate Cu(CH₃COO)₂·H₂O, formed by the action of acetic acid on copper. Historically, “verdigris” referred to basic copper acetates used as pigments and... View remedy...
Cuprum arsenicosum
An inorganic copper–arsenic salt formed by the union of cupric copper with arsenite radicals. Toxicologically, copper contributes violent neuromuscular spasm (flexor cramps, laryngismus, tonic–clonic features), whilst arsenic contributes corrosive gastro-enteric... View remedy...
Curare
Curare is a composite jungle arrow-poison traditionally prepared by South American tribes by decocting bark, vines and roots (notably Chondrodendron and Strychnos spp.) to a viscous extract; the active principles... View remedy...
Cyclamen europaeum
A perennial plant with tuberous roots native to Europe; contains bitter saponins and toxic triterpenes. Used homeopathically from the fresh root. View remedy...
D
Datura stramonium
A poisonous nightshade plant containing potent tropane alkaloids such as atropine, hyoscyamine, and scopolamine. Native to temperate and subtropical regions. Known for its anticholinergic, hallucinogenic, and deliriant effects. View remedy...
Dictamnus albus
The remedy is prepared from the fresh flowering tops and seed-pods of Dictamnus albus (Rutaceae), a strongly aromatic perennial whose glandular surfaces exude volatile oils that can flash in warm... View remedy...
Digitalis purpurea
Digitalis purpurea, or Foxglove, is a toxic biennial plant from the Plantaginaceae family. It contains powerful cardiac glycosides—primarily digitoxin and digoxin—which profoundly influence the heart muscle, conduction system, and renal... View remedy...
Dioscorea villosa
A twining North American yam of the family Dioscoreaceae; the remedy is prepared from the fresh root (rhizome), tinctured when recent and potentised by centesimal dilution [Clarke], [Allen]. Phytochemically rich... View remedy...
Diphtherinum
A nosode prepared from diphtheritic exudate/membrane or toxin, triturated or tinctured and potentised by centesimal dilution and succussion; historically associated with Swan, Burnett and later American prescribers, and collated by... View remedy...
Dolichos pruriens
A tropical legume of the Fabaceae whose pod-hairs contain intensely pruritogenic principles (historically “mucunain”; modern chemistry recognises proteolytic/serotonergic constituents) that provoke violent itching and wheal-like irritation even without visible eruption—an... View remedy...
Drosera rotundifolia
Drosera rotundifolia is a small insectivorous plant found in bogs and marshes across the Northern Hemisphere. It derives its name from the dewdrop-like glands that cover its round leaves, which... View remedy...
Dulcamara
Dulcamara is a climbing shrub in the nightshade family, bearing purple flowers and red berries. It contains solanine alkaloids, making it toxic in crude form. Used in homeopathy from the... View remedy...
E
Ecballium elaterium
Ecballium elaterium is a cucurbit bearing a small, prickly fruit that ejects its watery contents under pressure—an apt signature for the remedy’s “gushing” evacuations and serous effusions. “Elaterium” is the... View remedy...
Echinacea angustifolia DC
A North American Asteraceae perennial, Echinacea angustifolia bears stiff, spiny receptacles (“echinos,” hedgehog) and deep taproots long used by Eclectic physicians. Eclectic literature and early homœopathic writers emphasised its “antiseptic”... View remedy...
Erythroxylon coca
Dried leaves of Erythroxylon coca, native to the Andes, traditionally chewed by high-altitude peoples for relief of fatigue, hunger, and breathlessness. The leaves contain a complex of tropane alkaloids (notably... View remedy...
Euonymus atropurpureus Jacq
Euonymus atropurpureus is a North American shrub; Eclectic physicians used its root-bark as a bitter, cholagogue, laxative and mild diuretic. Its resinous “euonymin” was a favourite hepatic stimulant in “biliousness,”... View remedy...
Eupatorium perfoliatum
Eupatorium perfoliatum is a native North American plant in the Asteraceae family. Its leaves grow “through” the stem—hence the name “perfoliatum.” Traditionally used by Native Americans for febrile illnesses, it... View remedy...
Eupatorium purpureum
A tall North American composite, Eupatorium purpureum (Joe-Pye weed) grows in damp meadows and stream-banks. Native and Eclectic traditions employed the root (and sometimes the herb) as a diuretic and... View remedy...
Euphrasia officinalis
A small flowering plant native to Europe, commonly found in meadows and grassy slopes. It belongs to the Scrophulariaceae family and is known for its delicate white or violet-veined flowers.... View remedy...
F
Ferrum metallicum
Prepared by triturating pure metallic iron. Iron is a fundamental element in human physiology, essential in haemoglobin and oxygen transport. View remedy...
Ferrum phosphoricum
Ferrum phosphoricum is a chemical combination of iron and phosphorus, generally prepared by mixing solutions of ferric chloride (FeCl₃) and sodium phosphate (Na₃PO₄), resulting in a fine, white amorphous powder.... View remedy...
Ferula assa-foetida
A resinous gum derived from the root of Ferula assa-foetida, a perennial herb native to Iran and Afghanistan. It exudes a strong sulphurous odour due to its high volatile oil... View remedy...
Formica rufa
Formica rufa is a large European ant whose sting yields a volatile acid (formic acid) and allied amines; triturations/tinctures were historically prepared from the living insects, expressing a vesicant, rubefacient... View remedy...
Fraxinus americana
The White Ash (Fraxinus americana, Oleaceae) is a large North American tree; its inner bark yields a bitter, mildly astringent tincture containing tannins and related bitters employed traditionally as a... View remedy...
G
Gelsemium sempervirens
Gelsemium sempervirens is a climbing plant native to the southeastern United States. It contains alkaloids such as gelsemine and sempervirine, which have powerful neurotoxic effects. Ingestion of the plant in... View remedy...
Gossypium herbaceum
The cotton plant (Gossypium herbaceum, Malvaceae) yields a root-bark long used in American domestic and eclectic medicine as a powerful uterine agent—emmenagogue and partus-accelerant—its decoctions promoting uterine contractions, relieving congestive... View remedy...
Graphites
Graphites is a naturally occurring mineral form of carbon (chemical formula: C), historically referred to as “plumbago.” It is a soft, black, lustrous substance, used industrially in pencils, lubricants, and... View remedy...
Grindelia robusta
Grindelia robusta is a resinous North American composite (Asteraceae) exuding a yellow, balsamic gum from its capitula and upper stems. Eclectic physicians used gum-weed as an expectorant and anti-asthmatic, and... View remedy...
Guaiacum officinale
Guaiacum officinale is a slow-growing West Indian tree, famed in early modern physic as a sudorific for the “French disease” (syphilis) and for gout and chronic rheumatism; its hard, resinous... View remedy...
Gymnocladus canadensis
A leguminous tree of the North American Midwest (Fabaceae/Leguminosæ). Early settlers roasted the seeds as a poor coffee substitute; unroasted seeds and pod-pulp are nauseant and irritating. Clarke and Hering... View remedy...
H
Hekla lava
Hekla lava is the finely comminuted ash and scoriæ ejected by Mount Hekla. Geologically it is a basaltic volcanic ash rich in siliceous, calcic, and aluminous constituents with admixtures of... View remedy...
Helleborus niger
Helleborus niger is a perennial herb native to Europe, particularly the Alpine regions. It belongs to the Ranunculaceae family. The plant contains helleborin, a toxic glycoside that exerts a marked... View remedy...
Heloderma
Heloderma is prepared from the venom/saliva of the Gila monster, a venomous North American lizard. Physiologically the crude poison in animals depresses temperature and circulation, produces marked numbness and muscular... View remedy...
Helonias dioica
Helonias dioica (now more commonly classified as Chamaelirium luteum) is a North American perennial of the Melanthiaceae (formerly Liliaceae). Its rhizome contains steroidal saponins historically credited with “uterine-tonic” action in... View remedy...
Hepar sulphuris
Hepar sulphuris calcareum is not found in nature but is a chemically prepared compound made by fusing clean oyster shells (rich in calcium carbonate) with flowers of sulphur. The resulting... View remedy...
Hydrastis canadensis
Hydrastis canadensis is a perennial of the Ranunculaceae native to North America. The rhizome contains isoquinoline alkaloids—chiefly berberine, hydrastine, and canadine—together with resin and bitter principles that explain much of... View remedy...
Hydrocotyle asiatica
Hydrocotyle asiatica is a creeping, marsh-loving umbellifer (Apiaceae/Umbelliferæ) native to South and East Asia. Traditional medical systems (Ayurveda, Unani) used the plant as a vulnerary for chronic skin ulcers and... View remedy...
Hyoscyamus
A toxic plant in the Solanaceae (Nightshade) family, Hyoscyamus niger contains powerful alkaloids such as hyoscyamine, atropine, and scopolamine. It has a long history of use in witchcraft, pain relief,... View remedy...
Hypericum perforatum
Hypericum perforatum (Hypericaceae) is an aromatic, yellow-flowering perennial whose pellucid-dotted leaves (“perforations”) contain hypericins, hyperforin, and flavonoids. Toxicologic observation in grazing animals shows photosensitisation (“hypericism”), excitability, and nervous phenomena; pharmacognosy... View remedy...
I
Iberis amara
Iberis amara is a small, bitter annual of the Cruciferæ with white cruciform flowers, native to dry, chalky places in Europe and long cultivated as an ornamental. The fresh plant... View remedy...
Ignatia amara
Ignatia amara is prepared from the seeds of Strychnos ignatii, a plant native to the Philippines and parts of Southeast Asia. The seeds are extremely bitter and contain the alkaloids... View remedy...
Indigofera tinctoria
Indigo is the famed blue dye obtained by fermenting the leaves of Indigofera spp., precipitating the indoxyl to indigo (C₁₆H₁₀N₂O₂). The crude plant contains indican (a glucose–indoxyl conjugate), which by... View remedy...
Ipecacuanha
Derived from the dried root of the tropical shrub Cephaëlis ipecacuanha, native to Brazil and South America. Contains the alkaloid emetine, known for its strong emetic and expectorant properties. View remedy...
K
Kali carbonicum
A hygroscopic white salt, Kali carbonicum is chemically represented by K₂CO₃. It is an alkaline, caustic substance historically obtained from wood ashes and used in soap-making and glass production. View remedy...
Kali phosphoricum
A chemical compound composed of potassium and phosphate, this neutral salt appears as a white, crystalline powder soluble in water. View remedy...
Kalium bichromicum
Kali bichromicum is a chemical compound composed of potassium (K) and bichromate (Cr₂O₇) ions. Its chemical formula is K₂Cr₂O₇. It is an orange-red crystalline salt that is highly toxic and... View remedy...
Kreosotum
Kreosotum is a distillation product of wood tar, particularly from beechwood, consisting mainly of phenolic compounds such as guaiacol and creosol. It is a corrosive, pungent liquid known for its... View remedy...
L
Lac caninum
Lac caninum is the milk of a healthy, lactating female dog. Though originally used in folk traditions as an antidote to rabies, it gained prominence in homeopathy through the provings... View remedy...
Lachesis mutus
Lachesis mutus is a venomous snake native to Central and South America. Its venom is derived from the largest known species of pit viper, which can exceed 3 metres in... View remedy...
Ledum palustre
Ledum palustre is a small evergreen shrub native to the cold, marshy regions of northern and central Europe, Asia, and North America. It belongs to the Ericaceae (heath) family. The... View remedy...
Lilium tigrinum
Derived from the tiger lily plant, a striking ornamental species native to Asia, belonging to the Liliaceae family. The tincture is made from the fresh plant. View remedy...
Lycopodium clavatum
Lycopodium clavatum is a spore-producing, creeping evergreen plant native to the forests of Europe, Asia, and North America. The yellow spores are collected from the cones and are extremely fine... View remedy...
M
Magnesia muriatica
Prepared from Magnesium chloride (MgCl₂), a deliquescent salt formed by combining magnesium with hydrochloric acid. It occurs naturally in seawater and salt lakes. View remedy...
Magnesium phosphate
An inorganic salt formed by the combination of magnesium and phosphate. White crystalline powder, soluble in water. View remedy...
Marsdenia condurango
Condurango is the dried bark of an Andean climbing vine (Apocynaceae, subfamily Asclepiadoideae) native to Ecuador, Peru, and Colombia. The bark contains a bitter principle historically named “cundurangin,” with resins... View remedy...
Medorrhinum
Prepared from the urethral discharge of a patient with gonorrhoea. A nosode remedy deeply linked to the sycotic miasm, chronic inflammation, and inherited predisposition. View remedy...
Mercurius solubilis
Mercurius solubilis is a black oxide of mercury prepared through a chemical reaction involving mercury (Hg) and nitric acid, forming a soluble preparation suitable for homeopathic use. It was introduced... View remedy...
Mezereum
Prepared from the bark of the Daphne mezereum, a deciduous shrub native to Europe. The bark and berries are highly toxic, containing mezerein and daphnin, known for their blistering and... View remedy...
Moschus
Prepared from the dried secretion of the preputial gland of the male musk deer (Moschus moschiferus), native to the mountainous regions of Central and South Asia. The substance is powerfully... View remedy...
N
Natrium muriaticum
Sodium chloride (NaCl) is a naturally occurring mineral compound composed of sodium and chlorine ions. Found abundantly in sea water and salt deposits, it is essential to human physiology, regulating... View remedy...
Natrum Sulphuricum
An inorganic compound composed of sodium and sulphuric acid (Na₂SO₄). Occurs naturally in saline springs and as the mineral mirabilite. View remedy...
Nicotiana tabacum
Derived from the dried leaves of the tobacco plant, Nicotiana tabacum, which contains the potent alkaloid nicotine. Indigenous to the Americas, tobacco was ritualistically used for centuries by Native peoples... View remedy...
Nitric Acid
A powerful corrosive acid composed of nitric oxide and water. In homeopathy, it is prepared by potentising dilute nitric acid. The acid is a colourless, highly oxidising liquid that turns... View remedy...
Nux moschata
Nux moschata is prepared from the dried seed of Myristica fragrans, a tropical evergreen tree native to the Banda Islands of Indonesia. Nutmeg has been used for centuries as a... View remedy...
Nux vomica
Prepared from the dried seeds of Strychnos nux-vomica, a tree native to India, Southeast Asia, and northern Australia. The seeds contain two powerful alkaloids: strychnine and brucine, known for their... View remedy...
O
Opium
Opium is the dried latex obtained from the seed capsule of the Papaver somniferum plant, a native of Western Asia and the Mediterranean. It contains alkaloids such as morphine, codeine,... View remedy...
P
Paris quadrifolia
Paris quadrifolia is a small perennial herb from the Melanthiaceae family, native to temperate regions of Europe and parts of Asia. It bears a single, dark blue-black berry above four... View remedy...
Petroleum
Petroleum is a naturally occurring liquid mixture of hydrocarbons derived from fossilised organic matter. In its raw state, it is volatile, flammable, and toxic. In homeopathy, it is prepared through... View remedy...
Phosphorus
Phosphorus is a chemical element (P) found in nature as phosphate minerals but used homeopathically in its white (or yellow) form, which is waxy, volatile, luminous, and highly reactive. It... View remedy...
Phytolacca
A toxic perennial plant native to North America. All parts are poisonous, especially the root. Used by Native American tribes for inflammation, ulcers, and tumours. Its berries were historically used... View remedy...
Piper cubeba
A climbing Piperaceae vine from Java and the East Indies; the medicinal drug is the dried, unripe fruit (“tailed” berries) rich in volatile oil (cubebene, cadinene, eugenol traces) and resin... View remedy...
Platina
A rare, dense, silver-white precious metal discovered in South America, known for its high resistance to corrosion and lustrous beauty. In homeopathy, it is prepared by trituration of the pure... View remedy...
Plumbum metallicum
Plumbum metallicum is prepared from pure metallic lead. Historically, lead has been used in plumbing, paints, glazes, cosmetics, ammunition, and industrial materials, though now largely restricted due to its known... View remedy...
Podophyllum
A native North American herbaceous plant with umbrella-like leaves and a yellowish fruit; the rhizome is toxic and highly purgative, rich in podophyllin (a powerful cathartic resin). View remedy...
Psorinum
A nosode prepared from the seropurulent fluid of a scabies vesicle, potentised according to Hahnemannian principles. Symbolically and physiologically connected to the psoric miasm as defined by Hahnemann. View remedy...
Pulsatilla nigricans
Prepared from the entire fresh plant of Pulsatilla nigricans, a perennial herbaceous plant in the Ranunculaceae family. It grows wild in Europe and is known for its silky, nodding flowers... View remedy...
R
Ranunculus bulbosus
Ranunculus bulbosus is a member of the Ranunculaceae (buttercup) family, known for its acrid, blistering sap. It grows in meadows and fields, flowering in spring. The bulb and plant contain... View remedy...
Rhododendron chrysanthum
This hardy, small-leaved evergreen shrub from Siberia grows in cold alpine regions and survives harsh climates. In its crude form, it contains andromedotoxin (a grayanotoxin), which affects the nervous system... View remedy...
Rhus toxicodendron
Prepared from the fresh leaves of the Poison Ivy plant, Rhus toxicodendron, a woody vine or shrub native to North America. Contact with its oily resin, urushiol, causes intense allergic... View remedy...
Ruta graveolens
Prepared from the fresh herb Ruta graveolens, a shrubby, strongly aromatic perennial native to southern Europe. The plant contains rutin, a flavonoid, and volatile oils that can cause skin irritation... View remedy...
S
Sabadilla
Schoenocaulon officinale is a plant of the Melanthiaceae family. Its seeds contain the potent alkaloid veratrine, known for its severe irritant and emetic properties. View remedy...
Sambucus nigra
Sambucus nigra is a deciduous shrub native to Europe, bearing small white flowers and deep purple-black berries. Its flowers and berries have long been used in herbal medicine for respiratory... View remedy...
Sanguinaria canadensis
A perennial plant native to eastern North America, Sanguinaria canadensis exudes a reddish-orange sap from its rhizome, historically used as a dye and emetic. The active alkaloids include sanguinarine, which... View remedy...
Sanicula aqua
This remedy is prepared from the mineral-rich water of the Sanicula Springs in Ottawa, Illinois, discovered in the 19th century. The spring’s waters were famous for their curative effects, particularly... View remedy...
Scilla maritima
Scilla maritima is a perennial plant native to Mediterranean coastal regions, characterised by its large bulb and spiky inflorescence. The bulb contains potent cardiac glycosides (e.g. scillaren), similar in action... View remedy...
Scrophularia nodosa
Scrophularia nodosa is a perennial herbaceous plant found throughout Europe and parts of North America. It grows in damp woodlands and shady areas. The plant is known for its knotty... View remedy...
Selenium metallicum
A non-metallic trace element, atomic number 34, selenium exists in several allotropic forms and resembles sulphur chemically. It was discovered in 1817 by Jöns Jakob Berzelius. View remedy...
Sepia officinalis
Prepared from the inky secretion of the cuttlefish (Sepia officinalis), a cephalopod mollusc native to the Atlantic Ocean and Mediterranean Sea. The ink contains melanin, mucus, and amino acids, and... View remedy...
Silicea
Prepared from silicon dioxide (SiO₂)—a naturally occurring mineral found in quartz, flint, sand, and rock crystal. It is chemically inert, crystalline, and structurally stable. Used in both homeopathy and industry. View remedy...
Smilax officinalis
A woody, climbing plant from Central and South America, Smilax officinalis produces thick roots rich in steroidal saponins and used traditionally as a depurative and blood purifier. View remedy...
Spongia tosta
Prepared from the roasted marine sponge, a porous invertebrate composed mainly of silica, iodine, and organic materials. Roasting reduces the raw irritative properties and yields a remedy rich in iodine... View remedy...
Staphisagria
A toxic plant native to southern Europe, traditionally used to expel lice and parasites. The seeds are rich in alkaloids, notably delphinine, which acts as a strong neurotoxin. View remedy...
Sulphur
Sulphur is a naturally occurring non-metallic element, atomic number 16, commonly found around volcanic regions and hot springs. Its bright yellow crystalline form is the basis for the homeopathic preparation,... View remedy...
Symphytum officinale
Derived from the root of the Comfrey plant, Symphytum officinale, a member of the Boraginaceae family. Known for its remarkable cell-proliferating, bone-repairing, and tissue-healing properties. Contains allantoin, a natural compound... View remedy...
Syphilinum
A nosode prepared from the serous fluid of a syphilitic chancre or a syphilitic ulcer, dynamised to a potentised homeopathic remedy. It embodies the chronic, destructive, and degenerative miasm of... View remedy...
T
Tarentula hispanica
A potentised preparation made from the venom of the Lycosa tarentula, a spider native to southern Europe, particularly Spain and Italy. Historically linked to the phenomenon of “tarantism,” an affliction... View remedy...
Teucrium marum verum
Teucrium marum verum is a fragrant, grey-green herb belonging to the Lamiaceae (mint) family. It is native to the Mediterranean region and was historically employed in traditional medicine for nasal... View remedy...
Thiosinaminum
A chemical compound derived from mustard oil (allyl thiourea), formed by the combination of mustard oil and ammonia. It is a sulphur-containing compound used in both allopathic and homeopathic spheres... View remedy...
Thuja occidentalis
Prepared from the fresh green twigs and leaves of the Thuja occidentalis tree, a member of the Cupressaceae family, native to North America. The essential oil contains thujone, a neurotoxin... View remedy...
Tuberculinum
Prepared from sterilised tuberculous abscess or lymphatic tissue from infected bovine sources. A nosode of Mycobacterium tuberculosis. First introduced by Robert Koch in the 1890s as a diagnostic and therapeutic... View remedy...
U
Urtica urens
Prepared from the fresh flowering plant Urtica urens, part of the Urticaceae family. The plant is rich in histamine, formic acid, acetylcholine, serotonin, and other irritants responsible for its intense... View remedy...
V
Valeriana officinalis
Valeriana officinalis is a perennial flowering plant native to Europe and Asia. Its dried roots, known for their strong, musky odour, have been used for centuries as a sedative and... View remedy...
Veratrum album
Veratrum album is a perennial plant native to mountainous regions of Europe. It belongs to the Melanthiaceae family and contains powerful alkaloids including veratrine, jervine, and protoveratrine. The tincture is... View remedy...
Viburnum opulus
Viburnum opulus is a deciduous shrub native to Europe and North America, known for its red berries and use in traditional herbal medicine. In homeopathy, it is prepared from the... View remedy...
Viola odorata
Viola odorata is a small, fragrant, perennial herb native to Europe and parts of Asia. It is known for its deeply scented purple flowers, which have long been associated with... View remedy...
X
X-ray
Prepared from exposure to concentrated X-rays. Potentised energy form, not a material substance. Developed to address radiation damage and energetic imbalances related to suppressed vitality. View remedy...
Xanthoxylum fraxineum
Xanthoxylum fraxineum is a small deciduous tree native to North America. Its bark, berries, and roots are used in herbal medicine, particularly for stimulating circulation and the nervous system. In... View remedy...
Y
Yucca filamentosa
Yucca filamentosa is a hardy, evergreen perennial native to the southeastern United States. It is characterised by its sharp, sword-shaped leaves and tall spikes of bell-shaped flowers. The homeopathic remedy... View remedy...
Z
Zincum metallicum
Zincum metallicum is the purified elemental form of zinc, a bluish-white metal essential in trace amounts for human biology but neurotoxic in excess. The homeopathic remedy is prepared by trituration... View remedy...