Fluconazole 150mg capsule can be used to treat vaginal yeast infection (Candidal vaginalitis), Candidal penititis (Candidal Balanitis), as well as other fungal infections. It is part of the azole antifungals class and stops certain types of fungus from growing. Fluconzaole is effective in treating thrush by attacking the source of the infection and providing quick and effective relief.