Diflucan is used for a wide variety of medical issues but it is most commonly used for conditions including but not limited to candida, tinea corporis, tinea cruis, and tinea pedis. http://www.interhuss.com/ - fluconazole diflucan Diflucan is a triazole antifungal medication that is available by prescription that is indicated in the treatment as well as the prevention of fungal infections in the human body. It is a well tolerated medication that is helpful in the treatment of many conditions.