Fluconazole may start improving vaginal yeast infection symptoms within 24 hours. For severe infections, fluconazole may take one to two weeks to have its full effect. Talk with your healthcare provider about what to expect when taking fluconazole. Fluconazole is a prescription azole antifungal medication that may be used to treat serious fungal or yeast infections including those that affect the vagina, mouth or throat, lungs, bladder, or blood. It is available as an oral tablet, suspension, or injectable form. Find patient medical information for Fluconazole (Diflucan) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Fluconazole (Diflucan) is an azole antifungal. It's used to treat different types of Candida infections, such as vaginal yeast infections and oral thrush. It can also treat a serious brain infection called cryptococcal meningitis. Oral fluconazole (Diflucan) is available as a tablet and suspension. Fluconazole is also used to prevent candidiasis in patients having bone marrow transplants who receive cancer or radiation treatment. This medicine is available only with your doctor's prescription. This product is available in the following dosage forms: Medscape - Candidia infection dosing for Diflucan (fluconazole), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost. Fluconazole, sold under the brand name Diflucan among others, is an antifungal medication used for a number of fungal infections. [5] These include candidiasis, blastomycosis, coccidioidomycosis, cryptococcosis, histoplasmosis, dermatophytosis, and tinea versicolor. [5] Diflucan (fluconazole) is an antifungal medication prescribed to treat Candida fungal infections of the mouth, vagina, esophagus, lungs, urinary tract, abdomen, and other organs. It is available as a tablet, an oral suspension (liquid), or as an injection given into a vein. Diflucan is used to treat infections caused by fungus, which can invade any part of the body including the mouth, throat, esophagus, lungs, bladder, genital area, and the blood. Fluconazole tablets (Diflucan) are an antifungal medication that prevents and treats fungal or yeast infections.