Definition: a green hydroalcoholic mobile liquid containing the alkaloids atropine and scopolamine and other substances extracted from the leaves of Atropa belladonna, the botanic source for these anticholinergic drugs. The tincture allows for gradual titration of dose by counting drops of the preparation ingested. Formerly widely used in ulcer therapy or the symptomatic treatment of diarrhea, alone or in combination with antacids and insoluble clays.
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Examples: glitazone, GI cocktail, etc.