Diflucan 150mg is a prescription antifungal medication manufactured by Pfizer containing fluconazole as the active ingredient. This single-capsule treatment comes in a 150mg strength and is used to treat various fungal infections. This medication requires a valid prescription and should only be taken under medical supervision. The capsule should be swallowed whole with water, with or without food. Store in a cool, dry place below 25°C and keep out of reach of children. Consult your healthcare provider about proper dosage, potential side effects and drug interactions before use.