Fluconazole hydrate is widely used as an antifungal medication to treat and prevent various fungal infections. It is effective against infections caused by Candida species, such as oral thrush, esophageal candidiasis, and vaginal yeast infections. Additionally, it is used to treat cryptococcal meningitis, a serious fungal infection of the brain and spinal cord. In medical settings, it is often administered to patients with weakened immune systems, such as those undergoing chemotherapy, organ transplants, or living with HIV/AIDS, to prevent opportunistic fungal infections. The medication is available in oral tablets, liquid suspensions, and intravenous forms, providing flexibility in treatment based on patient needs. Its broad-spectrum antifungal activity and relatively low toxicity make it a preferred choice in both clinical and outpatient settings.