Nizral - Ketoconazole Solution is an antifungal used to treat fungal infections such as oral thrush and candidiasis. It contains the active ingredient nizoral. The offered solution can be prescribed for the treatment of fungal infections of the skin and nails. It contains azole an antifungal that works by preventing and stopping the growth of the fungus. This medicine may also be prescribed to treat fungal infections that have not responded to treatment with creams, ointments, or oral drugs.