Diflucan is a prescription antifungal medication containing 50 mg of fluconazole per capsule. This package contains 7 capsules and is manufactured by Pfizer. It is used to treat various fungal infections and yeast infections. Diflucan (fluconazole) belongs to a class of drugs called azole antifungals. The medication works by stopping the growth of fungi that cause infection. The 50 mg strength is commonly prescribed and should be taken exactly as directed by your healthcare provider. This product requires a valid prescription and should only be used under medical supervision.