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.
Quick Interaction Check
Is Methylrosanilinium safe to take with another drug?
Check with multiple drugs →