Clarke gives the toxic effects of homeopathy drug Dulcamara and its therapeutic uses in non-toxic doses in his book The ABC Manual of Materia Medica and Therapeutics, published in 1901….



      Diseases of the skin and mucous surfaces in persons of a catarrhal or strumous habit. Chronic muscular rheumatism in catarrhal subjects. All symptoms are aggravated by cold, damp weather. Nymphomania Satyriasis.


      Dry constricted paralytic feeling of the tongue and throat. Twitching of muscles of the face, and spasmodic contraction of the thoracic muscles.1. Cough of a catarrhal nature.2. Itching and heat of the generative organs with venereal desires.2. Erythema. Herpes Eczema.4. All the conditions aggravated by exposure to cold, damp weather.5.


      Drops doses of the tincture or first decimal dilution.


      Catarrhal condition of any mucous surface, caused or aggravated by cold, damp weather.2-5.

Chronic muscular rheumatism in catarrhal subjects. Disease aggravated by cold; damp weather. 2-5.

Erythema, impetigo, chronic eczema, etc. in persons of a strumous or catarrhal habit.4.

Whooping cough. 1-2.

Nymphomania. 3.

Sexual excitement of the insane.3.

George Hardy Clark
Clark, George H. (George Hardy) 1860-1941 was the author of: Homeopathic Treatment of Asthenopia; Lee and Clark's Cough and expectoration : a repertorial index of their symptoms; The A B C Manual of Materia Medica and Therapeutics; A system for the care and training of children; The Black Plague and Its Control.