At present the diagnosis and treatment of yeast infections fungal pathogens is receiving more attention by researchers ( 1, 6 , 7, 9 , 10, 16 , 17) . In our area, genital infections yeast pathogens is common, due to treatment of bacterial infections with broad-spectrum antibiotics (4, 6, 16 ) . Other authors have noted this effect and hormonal conditions as triggers of thrush (2, 3, 5 , 6, 7 , 8, 11 , 12, 13, 18 , 19, 20 ) . In diagnostic laboratories tend to implement the use of Mycostatin discs to assess their sensitivity in the presence of yeast infection from each ; however, similar references are known about gentian violet in spite of its widespread use in therapy . The purpose of this paper is to provide a method of healthcare worker practical value to determine the sensitivity of yeast to gentian violet disk and make known the antifungal effect of the two substances are studied ag...