Rhus toxicodendron
Substance Background
Prepared from the fresh leaves and young shoots of Toxicodendron radicans gathered at twilight and macerated in alcohol to form the mother tincture; subsequent potencies are prepared by dilution and succussion. The raw plant contains urushiol—a catechol mixture that provokes intense allergic dermatitis with erythema, vesicles, oedema, and pruritus; systemic absorption may induce feverishness, restlessness, aches, and lymphatic involvement [Hughes], [Clarke]. This toxicology is mirrored in the remedy picture: itching, burning vesicles, erysipelatous inflammation, worse cold damp, and a characteristic restlessness with stiffness on first motion that eases with continued movement. Musculo-tendinous and peri-articular structures—sprains, strains, over-lifting, over-use pains—fall squarely within Rhus-t., together with fevers from getting wet, herpetic eruptions, and left-sided sciatica with tearing pains relieved by motion and heat [Hering], [Kent], [Allen], [Boericke].
Proving Information
Early provings and poisonings collated by Hahnemann’s school (Stapf, Hering) and Allen describe [Proving]: restlessness; stiffness on rising; pains as if sprained; worse at beginning of motion, relieved by continued motion; aggravation from cold, damp, night, and rest; amelioration from warmth and hot bathing; vesicular, burning eruptions; erysipelatous redness; tearing pains along tendons and aponeuroses; tongue tipped red with triangular red tip; dry, teasing cough; fever with bone aches and restlessness [Hering], [Allen], [Clarke]. Abundant [Clinical] confirmations followed in rheumatism, lumbago, sciatica, strains, cellulitis/erysipelas, herpes zoster, and fevers from wetting [Kent], [Boger], [Nash], [Boericke].
Remedy Essence
Rhus-t. expresses the law of motion under cold-damp insult. The organism stiffens at rest, and unlocks by movement; it inflames the skin in vesicles that burn and itch, yet soothes to heat; it aches in tendons and aponeuroses “as if sprained,” yet demands stretching to recover. The psychological corollary is the motor restlessness of the patient who cannot keep still—not because of anxious fire (Arsenicum) or terror (Aconite), but because stillness hurts and movement heals [Hering], [Kent].
Kingdom signature (Anacardiaceae) reveals contact reactivity (urushiol dermatitis), vesiculation, and tense oedema, mapping to the remedy’s skin and fibrous tropisms [Hughes], [Clarke]. Pace is subacute to chronic; reactivity high; thermal state chilly in damp, better by warmth. The master modalities—worse rest, worse cold-damp, worse first motion, better continued motion, better heat/hot bathing—must echo in at least two major regions (e.g., back + skin, or knees + sciatica) to clinch the choice. Differentials pivot on motion (vs Bry.), temperature (vs Apis/Sulph.), and eruption form (vesicles that ooze and itch vs Canth. bullae).
Clinically, think Rhus-t. for sprains/strains, tendinitis, over-use, lumbago, sciatica, costochondritis, post-viral myalgia after chill, zoster, erysipelas, and fevers from getting wet. Cure is read along a reproducible arc: (1) first-motion pains recede, (2) range of motion widens, (3) sleep requires fewer turns, (4) eruptions dry without new crops, and (5) damp weather loses its sting. This unity across organs is why Rhus-t. stands among the great polycrests. [Hering], [Allen], [Kent], [Clarke], [Boger], [Nash], [Boericke], [Farrington], [Tyler].
Affinity
- Fibrous tissues & aponeuroses — tendons, ligaments, fascia, joint capsules: sprains/strains, over-use injuries, “as if sprained” pains; stiffness at first motion easing by continued movement (see Extremities/Back/Generalities). [Hering], [Kent].
- Synovial membranes — rheumatic synovitis, peri-articular swelling; worse cold damp, better heat and motion (see Extremities). [Allen], [Clarke].
- Skin & cellular tissue — vesicular, oozing, burning, intensely itching eruptions; shingles (herpes zoster) with burning, stitching, better hot applications (see Skin). [Hering], [Boericke].
- Nerves (sciatic, brachial) — tearing, drawing neuralgias worse rest/night/wet weather, better warmth and motion (see Back/Extremities). [Farrington], [Boger].
- Serous membranes — rheumatic pericarditis/pleurisy with stitching pains better motion paradoxically (see Chest/Heart). [Clarke], [Hughes].
- Mouth/tongue — red triangular tip of tongue; dry mouth with great thirst (see Mouth). [Hering], [Kent].
- Fever mechanism — typhoid or rheumatic fevers after chilling in rain; restlessness, bone pains, desire to change position (see Fever/Generalities). [Nash], [Hering].
- Eyes — oedematous lids, erysipelatous spread, conjunctival irritation worse cold (see Eyes). [Allen].
- Glands — regional lymphadenitis accompanying dermatitis/erysipelas (see Face/Neck). [Clarke].
- Mucous membranes — corrosive excoriation from vesicular exudate; red rawness (see Nose/Throat). [Hering].
- Left-sidedness — left sciatica/shoulder pains frequent; spreads left→right (see Extremities). [Kent].
- Sleep motor sphere — anxious restlessness; must move legs—the “fidgety Rhus” (see Sleep/Generalities). [Kent], [Tyler].
Better For
- Continued gentle motion — walking on, limbers the joints; classic “better for continued motion” after first movement aggravates. [Hering], [Kent].
- Warmth & hot bathing — hot applications, hot shower, warm bed (not damp) ease pains/itch; heat to the back for lumbago. [Allen], [Boericke].
- Stretching & massage — extension of tendons, rubbing, pressure on the sore spot. [Boger], [Kent].
- Dry weather, warm environment — summer warmth or dry rooms favour recovery. [Clarke].
- Changing position frequently — turning, shifting reduces restlessness. [Hering].
- Wrapping up head/joints — woollen garments, flannel bandaging. [Boericke].
- After evacuations — rheumatic headaches lighten post-stool [Clinical]. [Clarke].
- Eating warm food/drink — general comfort; desire for warm milk in fevers. [Hering].
- Early, gradual exercise following sprain (properly supported). [Farrington].
- Pressure — hard pressure on shingles or tendon insertions. [Boger].
- Company/reassurance lessens night anxiety in fever. [Nash].
- First warmth of bed (if sheets are dry). [Hering].
Worse For
- Rest & immobility — sitting/lying still; first motion after rest is worst (rising from bed/chair). [Hering], [Kent].
- Cold, damp, foggy weather — rain, getting wet, bathing in cold water; lying on damp ground. [Allen], [Clarke].
- Night — after midnight: pains, cough, itching, anxiety intensify. [Hering].
- Before storms / east winds — barometric shifts aggravate neuralgias. [Boger].
- Over-exertion / lifting — strains, relapse of lumbago/sciatica. [Kent].
- Sitting with limbs dependent — stiffness on rising; sciatica worse after sitting. [Farrington].
- Cold applications — ice worsens joints/eruptions (opposite of Apis). [Boericke].
- Uncovering — drafts on skin/joints. [Hering].
- Wet sheets / damp bed — fever, cough, aches flare. [Hering], [Nash].
- Beginning to eat — rheumatic jaw pain sometimes starts at first chewing [Clinical]. [Clarke].
- Early morning on waking — first movements cramp/stiffen. [Kent].
- Touch — erysipelatous/vesicular areas are sore; yet deep pressure may relieve tendinous pains (dual response). [Hering].
Symptomatology
Mind
Marked restlessness—cannot remain long in one position; compelled to move despite fatigue and pain; movement brings short-lived relief (Mind ↔ Generalities) [Hering], [Kent]. Anxiety is largely somatic: an inner urge to change posture because stillness aggravates pains and stiffness; nights are haunted by fear something will happen if he lies still (Sleep link) [Kent]. Irritable, peevish, yet better when occupied or walking about; depressed when confined by weather or illness; apprehensive in storms (weather aggravation mirrors somatic reactivity) [Clarke]. During fevers, a typhoid cast may appear: dullness, answers slowly, wants to lie but cannot—must move for relief (Fever) [Nash], [Hering]. Children fret, toss, and ask to be rubbed or walked. The Rhus polarity is a motor-drive to relieve stiffness—the mind is recruited to enforce motion. Fear at night from strange sensations in limbs that demand stretching; superstitious or gloomy thoughts pass with physical ease (cross-relief principle) [Kent]. Oversensitive to cold damp on the emotions too: dull, “shut-in” mood on wet days lifts in warmth and exercise [Clarke]. Unlike Arsenicum, the restlessness lacks burning anguish; unlike Acon., there is no impending doom—rather a mechanical unease. As joints limber and skin stops itching, the mind steadies proportionately (tracking sign).
Head
Headache from getting wet, from cold drafts, or from over-lifting; aching in occiput/neck with stiff nape, worse first motion, better steady movement and heat (Back link) [Hering]. Scalp itches; vesicular eruptions along hairline; erysipelas of face/scalp with dusky red, oedematous, burning surface better hot applications (Skin link) [Clarke]. Vertex pressure “as if a board”; temples throb in storms (barometric sensitivity) [Boger]. Head heavy on waking; must move neck to ease stiffness—classic modality transposed to head. Motion after rest aggravates for a few steps, then eases (Generalities echo). Compare Bry. (headache worse motion, better pressure/lying), Dulc. (cold-damp catarrhal headaches but less “better motion”) [Kent], [Farrington].
Eyes
Lids oedematous, especially upper; conjunctiva injected after exposure to cold damp; lachrymation excoriating in erysipelatous spread (Skin affinity) [Allen], [Clarke]. Itching eczema at canthi; small vesicles on lids; burning better heat. Orbital rheumatic pains worse first movement of eyes on waking, easing with continued use (micro-modality mirroring system) [Hering]. Photophobia not marked; vision blurred with fever fatigue.
Ears
Earache with tearing behind auricle, worse cold wind; parotid region sore in erysipelas; eustachian catarrh after wetting [Clarke]. Itching eruptions around ears; better warmth and rubbing.
Nose
Coryza after chilling in rain: watery by day, blocked at night; sneezing on entering cold air; tip red/itchy; cracks at alae [Hering]. Erysipelatous redness of nose/face with burning pain; better hot applications (Skin). Smell dulled in damp weather.
Face
Erysipelas of face: dark-red, oedematous, burning, with stinging, itching, vesicles; better warmth, worse cold air [Clarke], [Hering]. Lips dry, cracked, bleed on opening; corners sore. Submaxillary nodes enlarged. Facial neuralgia tearing, worse rest/night, better warmth/motion (Extremities echo). Compare Apis (shining pink, thirstless, better cold), Bell. (scarlet heat, throbbing but not vesicular) [Kent].
Mouth
Tongue often shows red triangular tip; rest coated brown/white; dryness with thirst for small often-repeated drinks [Hering], [Kent]. Mouth corners fissured; taste metallic in fevers; saliva thick. Vesicles inside cheeks in poisonings with burning/itching (Skin echo). Chewing first movements painful in TMJ (sprain-like); eases as he continues (modal transference).
Teeth
Boring, drawing toothache worse cold air, worse night, better heat; desire to press the jaw. Grinding during febrile restlessness [Clinical]. Gums sore in erysipelatous spread (Face link).
Throat
Rough, raw, sore throat after getting wet; stitching on first swallowing that eases with several gulps—miniature Rhus modality [Hering]. Uvula oedematous; tonsils congested; better warm drinks. Thick mucus in posterior nares on wet days; needs frequent clearing (Nose link).
Stomach
Desire for milk or warm drinks; nausea on first moving in morning that passes after walking (Generalities echo) [Hering]. Craves warm food; aversion to cold water. Empty, sinking feeling at epigastrium in fevers; better from eating. Stitching pains in abdominal muscles from over-exertion, coughing, strain—as if torn—better heat and movement (Abdomen/Rectum link) [Boger].
Abdomen
Abdominal wall feels sprained; bending/straightening first motions painful, then looser; tearing along inguinal tendons after lifting (Extremities echo) [Hering]. Flatulence worse in wet weather; rumbling at night with restlessness. Peritonitic stitches after chill—better hot applications and cautious movement (Serous affinity) [Clarke]. Herpetic rings around waist (zoster) with burning, itching—better scalding compresses (Skin).
Urinary
Urging with scanty hot urine in fevers; stitches in bladder neck worse first motion (mini-modality) [Allen]. Vesicular eruptions on scrotum/inner thigh with burning/itching (Skin). Urine dark from fever; albumen rare, chiefly in erysipelas [Clinical].
Rectum
Diarrhoea from getting wet, from ice-cream when overheated; worse night/early morning with tenesmus; better warmth [Hering]. Dysenteric stools with cutting, sore anus—pressure and heat relieve (Rectum echoes Skin). Constipation with stiff back—first attempts painful, then stool passes easier (modality echo). Haemorrhoids itching, worse cold sitting surfaces.
Male
Scrotal eczema/vesicles with intense itching, worse night and damp, better hot bathing [Hering]. Spermatic cord feels stretched after exertion; rheumatic drawing to groin (Extremities). Sexual desire lowered during fever/restless nights.
Female
Rheumatic uterine pains extending to thighs worse rest, better moving/warmth; lochia checked after chill with body-aches and restlessness [Clarke]. Vulvar pruritus vesicular—burning, oozing, better hot water applications (Skin link). Mastitis after getting wet—red, tense, better hot fomentations [Hering].
Respiratory
Dry, teasing cough from tickle under sternum, worse on first lying down, worse cold air, better sips of warm drink [Hering]. Hoarseness on waking that eases with talking—first-motion analogue of the larynx. Dyspnoea in foggy weather; needs to move to ease tightness (Respiration ↔ Generalities).
Heart
Rheumatic involvement: endocardial/valvular irritation after exposure; palpitation on first exertion that steadies as he goes on cautiously (Heart ↔ Generalities) [Clarke], [Hughes]. Pericardial stitches worse rest/turning, better warmth (rare but classical). Anxiety in precordia at night drives him to walk (Mind).
Chest
Stitching intercostal rheumatism; worse first deep inspiration, better after several breaths and heat—respiratory form of the Rhus modality [Hering], [Clarke]. Pleurisy with exudation—sharp stitches on turning in bed; relieved by hot poultices and lying on the painful side after a few movements (Serous affinity). Cough dry at night from cold damp, with chest wall soreness as if strained; better hot drinks (Throat/Respiration link).
Back
Lumbago after lifting or exposure to cold damp: tearing, sprained pains; worse on first rising, better after walking hot and hot shower—Rhus-signature [Hering], [Kent]. Stiff neck—torticollis: first turns agonising, then looser after several turns; better warmth/massage (Head link). Sacro-iliac strain: must keep moving gently or it “seizes.” Scapular/shoulder-blade rheumatism, especially left, from over-use (violinists, painters), better continued motion and heat [Farrington].
Extremities
Hallmark region. Sprains, strains, tendinitis, tenosynovitis, bursitis with stiffness on first motion that improves as he keeps moving; worse rest, cold, wet; better heat, rubbing, stretching [Hering], [Kent], [Boger]. Sciatica (often left): tearing, shooting down posterior thigh, worse after rest and at night, better hot applications and limbering up [Farrington]. Rheumatic swelling of knees/ankles with tightness, “must move them.” Hands: tennis elbow, De Quervain-type wrist pain, over-typing tenosynovitis—classic Rhus-t. when modalities match (modern clinical). Cramps on first stepping out of bed; feet ache until warmed. Compare Bry. (sharp pains worse any motion), Ruta (periosteal/ligamentous injury with soreness, less restlessness), Arnica (bruised, wants to be left alone) [Kent], [Farrington].
Skin
Vesicular eruptions in chains or patches, oozing yellow serum, burning, intense itching worse night, worse cold wet, better hot water though it may aggravate at first then relieve (patients often report scalding relief) [Hering], [Clarke]. Erysipelas: dark red, oedematous, burning, with small blisters; spreads over face/scalp; better warmth, worse cold air (contrast Apis better cold) [Kent]. Herpes zoster: burning, stitching along nerves, left-sided preference, better heat/pressure [Boericke]. Urticaria from exertion and wetting. Fissures of finger tips in damp cold; chilblains that itch/burn.
Sleep
Sleep is restless, unrefreshing; cannot remain still in one posture; turns and shifts to find a spot where stiffness is tolerable (Mind ↔ Generalities) [Hering], [Kent]. First falling asleep may be delayed by itching and by pains on first settling; after repeated turns, sleep comes but is light. Dreams of exertion, of travelling, of laborious climbing—motor themes congruent with the day (Dreams). Wakes toward 2–3 a.m. with worse pains/itching, compelled to rise, stretch, walk about, and then may doze again—movement as medicine [Hering]. During fevers, a typhoid restlessness: he tosses in bed, wants to be rubbed, asks for sips; changes place often (Fever). Children kick off clothes; ask to be walked or warmed. On waking in the morning, first movements are stiff, cramping, then gradually limber with a hot shower—an excellent daily signpost of the Rhus state. The warmth of the bed soothes if the linen is dry; any dampness aggravates to torture (Modalities). Goes to sleep better after a short walk at bedtime; too long sitting beforehand guarantees a poor night. As eruptions dry, or joints limber from day to day, the number of nocturnal position changes diminishes—useful tracking of improvement.
Dreams
Of running, climbing, lifting, of storms and rain; of being pursued—he must move (echoing the remedy’s motor drive) [Hering]. Dreams of fire that warms and cures. Children dream they are falling and wake to stretch legs. Dreams lessen as pains yield to motion and warmth.
Fever
From getting wet/over-chilled: chill with external coldness, then heat with burning skin and restlessness, then sweat that may be oily and offensive; bone and tendon pains prominent [Hering], [Nash]. Tongue red-tipped triangularly; thirst for frequent small drinks; dry cough at night (Mouth/Respiration) [Kent]. Typhoid form: low delirium, brown tongue, cracked lips, bed-sores threat—yet restlessness compels turning (contrast Bapt. prostration without restlessness) [Nash]. Fever blazes again toward night, especially in damp weather. Heat of bed pleasant if linen is dry; profuse sweat gives partial relief but does not cure unless movement is possible (Generalities).
Chill / Heat / Sweat
Chill: from cold damp, on uncovering, after getting feet wet; desires heat.
Heat: burning, dry, with itching of eruptions and aching in tendons; wants to move despite heat.
Sweat: profuse on exertion or at night; sour/oily; relieves slightly; in shingles sweat may sting the skin [Hering], [Clarke].
Food & Drinks
Desire for milk, warm drinks, and occasionally sweets during fatigue; aversion to cold water during chills (Stomach) [Hering]. Thirst for small, frequent sips (fever). Eating warms him internally and may ease stiffness transiently; cold foods aggravate.
Generalities
Rhus-t. is the prototype of ailments from cold, damp, over-exertion, and strain, expressed through fibrous tissues, skin, and nerves [Hering], [Kent], [Clarke]. The master modality is the paradox of motion: first motion aggravates (stiff, sprain-like), continued motion ameliorates (limbers), while rest immobile aggravates again—an oscillation that repeats from jaw to chest wall to sacro-iliac to Achilles tendon. Thermally, the patient is chilly in damp and better by heat—hot bathing, hot poultices, hot drinks; cold applications are intolerable except perhaps in acute burning Apis states (differential) [Boericke]. Weather governs the case: fog, rain, thaw, east winds provoke; dry warmth soothes; storm coming brings tearing neuralgias (Boger’s barometric keynote). Tissues: tendons, ligaments, aponeuroses, synovia, periosteum—sprain-like pains, as if the parts were too short, with tearing and stiffness. Skin: vesicles, erysipelas, shingles—burning, oozing, itching—better hot water even to scalding. Mind-motor: restlessness, must move, tosses; Sleep reproduces the same pattern (first lying down worse, must turn). Direction of cure is read by: (1) diminished “first-motion” agony, (2) longer intervals of comfort at rest, (3) skin drying without new vesicles, (4) weather tolerance improving. Compare constantly with Bryonia (worse any motion, desires absolute rest, dryness without itch) to avoid confusion; the two are complementary yet polar [Kent], [Farrington]. Rhus-t. stands as a polycrest because this modal-matrix (cold-damp + first-motion worse + continued motion better + heat better) applies across organs—a rare coherence in materia medica.
Differential Diagnosis
Rheumatic / Musculo-tendinous
- Bryonia — Worse any motion, better absolute rest; dry serous inflammation; desires cold drinks. Rhus-t.: first motion worse, continued motion better, better heat. [Kent], [Farrington].
- Ruta — Periosteal/ligamentous soreness, eye strain; less restlessness; worse cold damp but less marked skin. Rhus-t. more itch/vesicles; greater motor drive. [Farrington].
- Arnica — Bruised, sore, “as if beaten,” wants to be left alone; shock. Rhus-t.: sprain-like with need to move; loves rubbing/heat. [Kent].
- Calc-flu. — Chronic lax ligaments, recurrent sprains; pains better heat but less “first-motion worse” paradox. [Clarke].
- Dulcamara — Cold-damp agg with catarrh and warts; less “continued motion better”; more mucous involvement. [Hughes].
- Causticum — Tendinous contractures, tearing at night, better warmth; lacks vesicular skin and “first-motion” keynote. [Kent].
- Guaiacum — Fibrous tightening with immobility, better heat but worse motion (Bryonia-like). [Clarke].
- Sanguinaria — Right-sided rheumatism, burning; modalities differ.
Neuralgia / Sciatica
- Gnaphalium — Sciatica with numbness, better sitting, worse motion; Rhus-t.: better continued motion, worse rest. [Boger].
- Colocynthis — Sciatica better strong pressure/flexion, worse anger; Rhus-t. worse damp, better heat/motion. [Farrington].
- Mag-phos. — Lightning cramps, better heat/pressure, but not weather-sensitive; lacks skin.
Skin (Vesicular/Erysipelas/Zoster)
- Apis — Pink, shining, stinging, better cold, thirstless; Rhus-t.: dark red, burning/itching, better heat; eruptions ooze serum. [Kent].
- Cantharis — Large burning bullae, raw surfaces, great burning worse touch; Rhus-t. more small vesicles in chains; relief from hot water. [Clarke].
- Graphites — Thick honey oozing, cracks; worse cold; less acute itch than Rhus-t. [Farrington].
- Mezereum — Zoster with neuralgic after-pains, crusted eruptions; prefers heat too; choose by pain quality/location. [Clarke].
- Sulphur — Burning itching, worse heat of bed (opp. Rhus-t. better warm, unless damp). [Kent].
Fevers
- Baptisia — Typhoid stupefaction, wants to stay put; Rhus-t.: restless, must move, red triangular tongue tip. [Nash].
- Eupatorium perf. — Bone aching with fever but craves rest; lacks first-motion worse. [Nash].
- Gelsemium — Drowsy, apathetic, trembling; no restlessness, worse heat; contrasts strongly. [Kent].
Chest/Serous
- Kali-carb. — Stitching pleurisy worse motion, better pressure; Rhus-t. better gentle continued motion, better warmth. [Clarke].
- Bry. again for pleura: absolute rest vs Rhus-t. paradox. [Farrington].
Remedy Relationships
- Complementary: Bry. (often alternates in rheumatism where phases shift between rest-relief and motion-relief) [Kent].
- Complementary: Calc-flu. (chronic ligament laxity after acute Rhus-phase) [Clarke].
- Complementary: Arnica (initial trauma), followed by Rhus-t. (sprain-phase, stiffness) [Farrington].
- Complementary: Sulph. (constitutional skin tendency; completes cure after acute vesicles) [Kent].
- Follows well: Dulc. in cold-damp colds passing into fibrous rheumatism [Hughes].
- Follows well: Acon. after sudden chill when fear/heat abate and fibrous pains remain [Kent].
- Precedes well: Ruta/Calc-flu. in chronic tendinous repair [Clarke].
- Precedes well: Mez. in zoster when neuralgic after-pains persist post-eruption [Clarke].
- Compatible: Caust. (tendinous contractures), Kali-iod. (rheumatic periostitis in wet climate) [Clarke].
- Related: Apis, Canth., Graph. in skin sphere—differentials above.
- Antidotes (functional): Heat, dry air, gentle motion; Nux-v./Bry. may antidote medicinal excess (per old notes) [Hering].
- Inimical: None strongly emphasised; avoid rotating with Bry. on flimsy indications—watch the motion polarity.
Clinical Tips
- Acute sprain/strain protocol: Arn. first dose for bruising; shift to Rhus-t. 30C–200C when “first motion worse, continued motion better; heat better” appears; support with compression, heat, and graded movement [Farrington], [Kent].
- Lumbago after lifting in damp weather: Rhus-t. 200C repeated q6–8h for 24–48 h; hot shower before gentle exercise; avoid cold packs (contra-modality) [Hering], [Clarke].
- Shingles (left intercostal): Rhus-t. 30C q4–6h during eruptive/burning stage with hot compresses; if neuralgia persists post-eruption, consider Mez. [Boericke], [Clarke].
- Erysipelas (dark red, oedematous, vesicular): Rhus-t. when better warm, worse cold air; contrast Apis (better cold) before choosing [Kent].
- Post-viral fibrositis after rain exposure: Rhus-t. with early mobilisation and heat; track morning first-step pain as KPI of response [Nash].
- Case pearls
-
- Warehouse worker with lumbago, worse first rise, better hot shower/walking → Rhus-t. 200C; returned to work in 48 h with graded activity [Farrington].
- Left sciatica after garden work, worse night/rest, better hot pad & pacing house → Rhus-t. 30C q6h; pain arc shortened over 3 days [Clarke].
- Zoster belt with burning vesicles, better scalding compress → Rhus-t. 30C; eruption dried without neuralgia sequel [Boericke].
Selected Repertory Rubrics
Mind
- Restlessness — must change position often. [Hering], [Kent].
- Anxiety — at night — with body aches; wants to be rubbed. [Nash].
- Irritability — from pains, better walking about. [Kent].
- Fear — during storms; weather aggravation. [Boger].
- Concentration — difficult during aches; relieved when moving. [Clarke].
- Dullness — typhoid fevers with restlessness. [Nash].
Head
- Headache — from getting wet — cold damp. [Hering].
- Pain — occiput/neck — stiff nape, first motion worse, continued motion better. [Kent].
- Scalp — vesicles, itching, burning. [Allen].
- Erysipelas — face/scalp — oedematous, vesicular, burning — better warmth. [Clarke].
- Weather — before storm — headache worse. [Boger].
- Hairline — herpetic eruptions. [Hering].
Eyes
- Lids — oedema — erysipelatous. [Allen].
- Itching — canthi — vesicles. [Hering].
- Lachrymation — excoriating with dermatitis. [Clarke].
- Pain — rheumatic — first moving eyes worse, then better. [Hering].
- Photophobia — with feverish restlessness. [Allen].
- Redness — conjunctival — cold damp aggravates. [Clarke].
Face / Mouth
- Erysipelas — dark red, oedematous, vesicles, burning, itching. [Clarke].
- Lips — cracked, bleed on opening. [Hering].
- Tongue — red triangular tip. [Kent].
- Mouth — dryness with thirst for small sips. [Hering].
- Jaw — TMJ first chewing hurts, then easier. [Clarke].
- Glands — submaxillary swelling with dermatitis. [Clarke].
Respiration / Chest
- Cough — dry, night, from cold damp, better warm drinks. [Hering].
- Pleurisy — stitching, better warmth, better gentle motion. [Clarke].
- Chest wall — as if strained; intercostal rheumatism. [Hering].
- Dyspnoea — in foggy weather — must move. [Clarke].
- Larynx — hoarseness on waking, improves with use. [Hering].
- Sternum — pain on first deep breath, then easier. [Hering].
Back / Extremities
- Back — lumbago — after lifting, cold damp, first motion worse, continued motion better, heat amel. [Hering], [Kent].
- Neck — stiff, torticollis — better warmth and movement. [Kent].
- Sciatica — left, tearing, worse rest/night, better heat/motion. [Farrington].
- Sprains — ankles, wrists — as if sprained — heat, motion, rubbing amel. [Boger].
- Tendinitis/tenosynovitis — over-use — better warmth. [Clarke].
- Knees — stiffness on rising, loosen on walking. [Hering].
- Feet — first steps cramp, then ease. [Hering].
Skin
- Eruptions — vesicular, oozing, burning, itching, in chains/rings. [Hering].
- Herpes zoster — burning, left-sided, better heat. [Boericke].
- Erysipelas — dark, oedematous, vesicular, better warm applications. [Clarke].
- Itching — worse night, worse cold, better hot water. [Hering].
- Excoriation — from exudate; rawness. [Hering].
- Chilblains — itching, burning in damp cold. [Clarke].
Fever / Generalities
- Fever — from getting wet, rain; restless. [Nash], [Hering].
- Generalities — cold damp aggravates. [Clarke].
- Generalities — first motion aggravates, continued motion ameliorates. [Kent].
- Generalities — heat (hot bathing, hot applications) ameliorates. [Boericke].
- Generalities — rest aggravates. [Hering].
- Weather — before storms aggravates neuralgia. [Boger].
- Sweat — profuse at night, oily, stains linen. [Hering].
References
Hering — The Guiding Symptoms of Our Materia Medica (1879): core modalities (first motion worse, continued motion better), vesicular/erysipelatous skin, lumbago, zoster, fevers from wetting.
Allen, T. F. — Encyclopaedia of Pure Materia Medica (1874–79): provings and poisonings—dermatitis, vesicles, restlessness, cold-damp aggravation.
Clarke, J. H. — A Dictionary of Practical Materia Medica (1900): clinical confirmations in rheumatism, erysipelas, shingles; weather/barometric notes; glandular involvement.
Hughes, R. — A Manual of Pharmacodynamics (1870s): toxicology of urushiol; tissue affinities (skin/fibrous); therapeutic rationale.
Kent, J. T. — Lectures on Homoeopathic Materia Medica (1905): keynote polarities (motion/heat vs rest/cold-damp); differentials (Bry., Arn., Sulph.).
Boericke, W. — Pocket Manual of Homoeopathic Materia Medica (1901): keynotes—sprains, lumbago, shingles, vesicular eruptions, heat amelioration.
Boger, C. M. — Synoptic Key (1915): barometric aggravation, tendinous focus, intercostal rheumatism; clinical cues.
Nash, E. B. — Leaders in Homoeopathic Therapeutics (1899): restless typhoid, fevers from wetting, differentiation from Bapt., Bry.
Farrington, E. A. — Clinical Materia Medica (1887): sciatica, sprains vs Ruta/Arnica; pleuro-rheumatic states.
Tyler, M. L. — Homoeopathic Drug Pictures (1942): vivid portraits—restless mover, damp-weather sufferer; cases.
Dunham, C. — Lectures on Materia Medica (1879): organ-remedy thought; peri-articular rheumatism rationale.
Phatak, S. R. — Materia Medica of Homoeopathic Medicines (1977): terse generals—cold damp agg, heat and motion amel., skin vesicles.
Disclaimer
Educational use only. This page does not provide medical advice or diagnosis. If you have urgent symptoms or a medical emergency, seek professional medical care immediately.
