龙胆紫(又称甲紫)由人工合成,是玫瑰苯胺的甲基衍生物,临床上常用1～2％溶液,治表浅皮肤粘膜感染。甲紫能抑制革兰氏阳性细菌及霉菌,杀菌作用大,其优点是刺激性小。外用于防治皮肤、粘膜的化脓性感染以及治疗口腔,阴道的霉菌感染。 近年来国外报道,甲紫是潜在的致癌剂。动物试验表明,甲紫能致癌,目前虽然尚无 Gentian violet (also known as A purple) from synthetic, is methyl derivatives of rose aniline, commonly used in clinical 1 to 2% solution, treatment of superficial skin and mucous membrane infection. A purple can inhibit Gram-positive bacteria and mold, bactericidal effect, the advantage of irritation small. Outside for the prevention and treatment of skin, mucous membrane of suppurative infection and the treatment of oral and vaginal fungal infections. In recent years, foreign reports, a purple is a potential carcinogen. Animal experiments show that A purple can cause cancer, although not yet