Malarial diseases, with diarrhea, dysentery, anemia, feeble digestion, are the general conditions suggesting this remedy. Characteristics are the gone sensation in stomach and sinking in abdomen, with debility. A tonic after exhausting fevers.
Violent purging and cramp in bowels. Heat and irritation in lower bowels. Camp diarrhea, bloody stool, dysentery; diarrhea from bad water and malaria. Painless watery stools (Phosph ac). Diarrhea immediately after eating.
Compare: Similar in action to Alstonia constricta, the bitter bark or native quinine of Australia. Ditain (active principle, is anti-periodic, like quinine, but without unpleasant effects). Cinchona (similar in diarrhea, chronic dyspepsia and debility). Hydrastis; Fer cit et chin.
Tincture to third potency. Locally, for ulcers and rheumatic pains.
Reference: "Pocket Manual of Homeopathic Materia Medica & Repertory" by William Boericke
(Bitter Bark. Native Quinine Bark. (New South Wales and Queensland. A. scholaris, growing in India and Malabar, is probably identical in effects.) N. O. Apocynacee. Tincture of the bark.)
Clinical.─Debility. Diarrhoa. Dysentery. Fevers. Lactation, excessive, effects of. Leucorrhoa. Lienteria. Palpitation. Pregnancy, vomiting of Uterus, debility of.
Characteristics.─Alstonia was proved by Dr. Cathcart, of Australia, who found it produce great debility and prostration, or low fever, often with diarrhoa. It is exceedingly bitter. Dr. Dietz, who has tested it clinically, gives the following as leading indications: Debility from lack of digestive power in the stomach or general assimilative power. Tongue generally has a dirty white coat, especially at base; though it may be clean. It has no relation to purely nervous debility. The nausea is < morning, before breakfast, or at irregular times, especially when depending on reflex irritation from disturbance of pelvic organs. An empty, gone feeling in stomach or whole abdomen at irregular times; generally with tearing, dragging-down sensation in hypogastrium, as if everything would escape from the vulva. Pale face, flushing on least excitement. Food seems to remain in stomach a long time undigested. Diarrhoa of undigested food immediately after eating; has to leave table before finishing a meal. (This symptom was cured by Alston. c. 1x in a patient who had taken much iron, after the failure of Puls., Sep., Sul., Sil., Nat. m.) Leucorrhoa and bearing-down < by walking. Swollen feeling in right ovarian region. Sharp shooting pain from left side of stomach through to back (spleen). At the moment she falls asleep, wakes up suddenly, becoming wide awake, with violent palpitation of the heart and throbbing in blood-vessels, accompanied by a numb sensation of the tongue. < By exertion. > Lying down.
Relations.─Compare: Alet. f., Lil. t., Helon., Cedron, Ceanoth., China, Fer.
Reference: "A Dictionary Of Practical Materia Medica" By John Henry Clarke