Diflucan is an antifungal medicine. generic diflucan is available in the market with the name of Fluconazole. The Chemical formula of diflucan is C13H12F2N6O.  Diflucan is prescription drug for treating yeast infection. Diflucan is used for treatment of infections caused by fungus. For the medication to work properly, it must be consumed as prescribed. Diflucan belongs to a group of drugs generally known as "azole" antifungals. cheap diflucan drug is used in the treatment of infections such as mouth, blood, throat, lungs, esophagus, bladder, lungs infection. The treatment period depends on the types of disease and uses of drugs. Diflucan is also being used after kidney, bone marrow and liver transplants. generic diflucan is a medicine that falls under the category called antifungal antibiotics. Continue to take diflucan even if you feel better. Do not stop consuming cheap diflucan without taking your doctor's permission.