Cocainum hydrochloricum
Cocaine hydrochloride · Human-made/chemical
Cocainum hydrochloricum suits individuals with extreme nervous excitability, grandiose delusions, and persecutory hallucinations including the sensation of bugs or worms under the skin. There is cerebral hyperactivity with moral deterioration, irrational jealousy, and neglect of personal appearance.
Key symptoms
- Sensation as if small foreign bodies or worms were under the skin
- Frightful persecutory hallucinations; sees and feels bugs and worms
- Talkative; constant desire to undertake vast feats of strength
- Moral sense blunted; personal appearance neglected; irrational jealousy
- Throbbing and bursting sensation in head; pupils dilated
- Glaucoma with increased tension and decreased corneal sensibility
- Throat dry, burning, constricted; paralysis of muscles of deglutition
- Loss of appetite for solid food; likes sweets; haemorrhages from bowels and stomach
- Formication and numbness in hands and forearms
- Restless; cannot sleep for hours after retiring

An Alkaloid from Erythroxylon Coca (COCAINA)
Besides the great usefulness of Cocaine as a local anæsthetic, it has specific homeopathic uses, though the symptoms are mainly clinical only.
Sensation as if small foreign bodies or worms were under the skin.
Mind
Talkative. Constant desire to do something great, to undertake vast feats of strength. Cerebral activity. Frightful persecutory hallucinations; sees and feels bugs and worms. Moral sense blunted. Personal appearance neglected. Thinks he hears unpleasant remarks about himself. Hallucinations of hearing. Irrational jealousy. Insomnia.
Head
Throbbing and bursting sensation. Pupils dilated. Hearing greatly increased. Roaring and noises in head.
Eyes
Glaucoma, increased tension, decreased corneal sensibility. Eyes staring, expressionless.
Throat
Dry, burning, tickling, constricted, paralysis of muscles of deglutition. Speech difficult.
Stomach
Loss of appetite for solid food. Likes sweets. Hæmorrhages from bowels, stomach.
Nervous System
Chorea; paralysis agitans; alcoholic tremors and senile trembling. Local sensory paralysis. Formication and numbness in hands and forearms.
Sleep
Restless, cannot sleep for hours after retiring.
Fever
Coldness with intense pallor.
Relationship
Compare: Stovain (an analgesic, a vasomotor dilator). Antidote to disagreeable effects occasionally resulting from injection of cocaine into skin or gums, drop doses of nitroglycer. 1 % sol.
Dose
Lower potencies. As a local application to mucous membranes, 2-4 %.

Phatak's chapter on Cocainum hydrochloricum is available in the app.
Read Phatak in the appClassical texts are in the public domain. Educational reference only — not medical advice.