Click Here to Order Generic Diflucan (Fluconazole) NOW! Diflucan is brand name of fluconazole. It is an antifungal antibiotic used to treat infections caused by fungus, which can invade any part of the body. Do not use Diflucan if you are allergic to fluconazole, or similar drugs such as Lotrimin, Spectazole, Nizoral, Monistat, Oravig, Ertaczo, Exelderm, Terazol, Vagistat-1, or Vfend. You should not use Diflucan if you are also taking Propulsid. Take Diflucan with a full glass of water. Shake the liquid well just before you measure a dose. To be sure you get the correct dose, measure the liquid with a marked measuring spoon or medicine cup, not with a regular table spoon. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antifungal medication. Diflucan will not treat a viral infection such as the common cold or flu. Store Diflucan tablets at room temperature away from moisture and heat. You may store liquid Diflucan in a refrigerator, but do not allow it to freeze. Throw away any leftover liquid medicine that is more than 2 weeks old. FDA pregnancy category D. Do not take more than 1 dose of Diflucan if you are pregnant. Long-term use of fluconazole can harm an unborn baby or cause birth defects.