Lucan-R 150 mg Capsule is an antifungal medication containing Fluconazole, a triazole antifungal agent. It works by inhibiting fungal cell membrane synthesis, effectively treating a range of fungal infections. Lucan-R is used for conditions such as vaginal candidiasis, oral and esophageal candidiasis, cryptococcal meningitis, and dermatophyte infections. It is also effective in preventing infections in immunocompromised patients.