Tannin.
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
diarrhśa. 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.
SYMPTOMS.
8. Mouth.─
Tongue white, dry.─Leathery
dryness of mucous membrane of mouth and intestinal canal.
11. Stomach.─
Loss of appetite.─Thirst.─Vomiting.─Obstinate
vomiting of bilious substances.─Painful sensation in epigastric region
and abdomen.─Violent pains in stomach.
12. Abdomen.─
The intestines could be felt like
cylindrical enlargements through walls of abdomen.─Ileus.─Colic.─Abdomen:
distended; sensitive to pressure but not distended.
13. Stool.─
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.
14. Urinary Organs.─
Urine scanty, dark-coloured.
19. Heart.─
Palpitation.
24. Generalities.─
Weakness.
® 2000
Article