Diflucan 150mg is an antifungal medication containing fluconazole used to treat various fungal infections. Each pack contains 1 capsule of 150mg strength, manufactured by Pfizer. This is a prescription-only medication that comes in a blue and white box with clear product labeling. Diflucan (fluconazole) is used to treat fungal infections including vaginal candidiasis, oral thrush, and certain systemic fungal infections. The single 150mg dose is commonly prescribed for vaginal yeast infections. This medication should only be taken under medical supervision and requires a prescription. Common side effects may include headache, nausea, and abdominal pain. Not recommended for use during pregnancy without consulting a healthcare provider. Store at room temperature away from moisture and heat.