Ketoconazole is an antifungal medication used to treat various fungal infections, including those affecting the skin and nails. It works by inhibiting the growth of fungi, helping to alleviate symptoms such as itching and redness. Ketoconazole is available in different forms, including creams, shampoos, and oral tablets. In addition to treating fungal infections, ketoconazole is sometimes used to manage conditions like seborrheic dermatitis and dandruff. It is important to follow a healthcare provider's instructions when using this medication to ensure safety and effectiveness. Side effects may include skin irritation or allergic reactions in some individuals.