Diflucan 150 mg 1 caps. Diflucan capsules, suspension and infusion all contain the active ingredient fluconazole, which is a type of medicine called a triazole antifungal. (NB. Fluconazole is also available without a brand name, ie as the generic medicine.) Fluconazole is used to treat infections with fungi and yeasts. Fluconazole kills the fungi that [...]