Tannin

Tannic acid. C,H,oOp,2HaO. [There are two forms of tannic acid, Gall-tannic acid, derived from nut-galls, and Querc-tannic acid, derived from healthy leaves and bark of the oak. The former is the most used.] Trituration. Solution in rectified spirit. Ounces— Constipation. Ileus.

Characteristics

Tannin or Tannic acid, of which Gallic add (C7H6O5) is a derivative, has produced effects on healthy persons, and on several taking it for diarrhoea. 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. I I

Mouth p. 1369

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

Stomach p. 1369

Loss of appetite. — Thirst — Vomiting. — Obstinate vomiting of bilious substances. — Painful sensation in epigastric region and abdomen. — Violent pains in stomach.

Abdomen p. 1369

The intestines could be felt like cylindrical enlargements through walls of abdomen. — Ileus. — Colic. — Abdomen : distended ; sensitive to pressure but not distended.

Stool and Anus p. 1369

Painless and bloody discharge from bowels. — Obstinate constipation; lasted eight days; only dissipated on the ninth day by two drops of Croton oil, — Foul stools.

Urinary Organs p. 1369

Urine scanty, dark-coloured. XQ. Heart.— Palpitation.

Generalities p. 1369

Weakness.