Tannin
Plant · Fagaceae
Tannin suits individuals with extreme dryness of mucous membranes throughout the digestive tract, particularly those who develop severe constipation and ileus-like states. The remedy picture emerged from provings and cases of persons taking tannin for diarrhea who developed paradoxical severe constipation.
Key symptoms
- Leathery dryness of mouth and intestinal canal
- Tongue white and dry
- Obstinate constipation progressing to ileus-like state
- Violent pains in stomach
- Obstinate vomiting of bilious substances
- Intestines felt as cylindrical enlargements through abdominal wall
- Abdominal distension and colic

Tannic acid. C14H10O9,2H2O. [There are two forms of tannic acid, Gallo-tannic acid, derived from nut-galls, and Querci-tannic acid, derived from healthy leaves and bark of the oak. The former is the most used.] Trituration. Solution in rectified spirit.
Clinical
Constipation. Ileus.
Characteristics
Tannin or Tannic acid, of which Gallic acid (C7H6O5) is a derivative, has produced effects on healthy persons, and on several taking it for diarrhœa. The chief effects were the production of a state of leathery dryness of mouth and intestinal canal; a condition like ileus; and a very aggravated state of constipation.
Relations
Compare: Querc., Gall. ac., Op., Pb.
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