Tannin

Authors: Prof. Dr. med. Peter Altmeyer, Prof. Dr. med. Martina Bacharach-Buhles

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Last updated on: 29.10.2020

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Synonym(s)

acidum tannicum; gallotannic acid; Gallus tannic acid; tannic acid; Tannic acid; Tanninum

Definition
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Tanning agent consisting of a mixture of esters of D-glucose with gallic acid, galloylgallic acid, trigallic acid; usually present as octagalloyl glucose. Tannin is obtained as an extract from the bile of various plant varieties.

Pharmacodynamics (Effect)
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Tanning of the upper skin layer by protein coagulation, astringent effect.

Indication
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Eczema, diaper rash, intertrigo, first-degree burns, genital pruritus, mycosis.

Dosage and method of use
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  • Powder for hyperhidrosis: Spread 1-2 times/day.
  • Full, sitz or partial baths: In case of superficial skin infections, bathe 1 time a day.
  • Creams / Ointments: In case of eczema apply thinly 1-2 times/day.

Standard concentration
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Powder: 0,5 - 5%, cream/ointment: 5%, baths: 1%.

Undesirable effects
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Skin irritation, with extensive application possibly liver damage.

Contraindication
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Application on the eye, hypersensitivity to the active substance, open wounds (powder).

Incompatibility
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Alkaline reacting substances, alkaloids, oxidants, iron and heavy metal salts, proteins, gelatine, polyethylene glycols.

Recipe(s)
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Preparations
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Gingivitol® solution, Tannolact, Tannosynt