Tannin (Tanninum) - gallodubilnaya acid, astringent. Tannin is used for gargling in inflammatory processes in the oral cavity, nose, mouth, larynx (1-2% water or glycerin solution) and smearing (5-10% ointment), with burns, ulcers, fractures, bedsores (3-5-10% ointment and solutions), for washing stomach at a poisoning with alkaloids and salts of heavy metals (0.5%aqueous solution). The form of release of tannin: powder. Keep in tightly corked banks in a dry place.
Cm. also Astringents.