Gentian violet

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 16.09.2025

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Synonym(s)

Methylrosanilinium chloride

Definition
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Dye and disinfection. Due to increasing difficulties in the supply of high-quality dyes for pharmaceutical processing, the use of gentian violet is increasingly receding into the background.

Indication
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Infections with gram-positive bacteria, dermatophytes, yeasts. External treatment of burns, boils, chronic ulcers.

Standard concentration
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  • 0.1-0.5 % in solutions, ointments, powders, sticks as an antiseptic
  • 0.1 % solution for brushing against thrush and for mucous membrane rinses

Note! Stains skin, clothing and objects blue-violet!

Note(s)
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For large-area application on damaged skin, a 0.1 % solution is recommended. For small-area brushing, the concentration of the solution can be selected up to 0.5 %.

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Last updated on: 16.09.2025