OTC

Antiseptic and Antifungal dye

Methylrosanilinium Chloride

Last reviewed April 2026

Who is this for?

What is this drug?

Methylrosanilinium chloride, commonly known as Gentian Violet, is a purple-coloured antiseptic dye that works by killing bacteria and fungi on the skin and mucous membranes, preventing them from growing and spreading.

What is it used for?

Mouth thrush (oral candidiasis)skin fungal infectionsminor wound infectionsringwormnappy rash caused by yeastboilsand minor cuts or scrapes that may be infected

Available Over The Counter

Available at pharmacies without a prescription. Rules may vary by country.

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