Last modified on February 6th, 2019

Tannin homeopathy medicine – drug proving symptoms from Encyclopedia of Pure Materia Medica by TF Allen, published in 1874. It has contributions from R Hughes, C Hering, C Dunham, and A Lippe


Digallic acid, C14H14O9. Preparation: Triturations.


Tongue white, dry. Leathery dryness of the mucous membrane of the mouth and intestinal canal.


Loss of appetite. Thirst. Vomiting. Obstinate vomiting of bilious substances. Symptoms of ileus and vomiting.

Indigestion. Painful sensation in the epigastric region and abdomen. Violent pressure in the stomach.


The intestines could be felt like cylindrical enlargements through the walls of the abdomen; over these parts percussion was sometimes dull. Distension of the abdomen. Abdomen sensitive to pressure but not distended. Pains in the abdomen. Symptoms of ileus. Colic.


Purulent and bloody discharge from the bowels. Obstinate constipation. Obstinate constipation for eight days. An obstinate attack of constipation, which lasted for eight days, and was only dissipated on the ninth by 2 drops of Croton oil.

Urinary organs

Urine scanty, dark colored.

Respiratory organs

Respiration 36.

Heart and Pulse

Palpitation. Pulse 108.





About the author

TF Allen

TF Allen

Dr. Timothy Field Allen, M.D. ( 1837 - 1902)
Born in 1837in Westminster, Vermont. . He was an orthodox doctor who converted to homeopathy
Dr. Allen compiled the Encyclopedia of Pure Materia Medica over the course of 10 years.
In 1881 Allen published A Critical Revision of the Encyclopedia of Pure Materia Medica.

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