Let's take a minute to talk about your medication. This is Ketoconazole shampoo. It helps to treat certain skin conditions that can be caused by fungal infections. It may have other uses, too. Ketoconazole shampoo is applied topically to the scalp. Your doctor will tell you how often to apply it based on your condition. First, wet your hair and apply the medicine. Next, gently massage the medicine into your hair and scalp. After 3 to 5 minutes, rinse off the medication completely. You should also read the "Instructions for Use" for full information. If you still have questions, your doctor or pharmacist can help. Most people tolerate this medicine well. Common side effects include skin dryness and irritation. This is normal if it is mild and should go away. Some people have also reported hair loss and changes in hair color or texture. If these or other side effects become reasons you want to stop taking this medicine, please talk to your doctor or pharmacist. As with any medicine, rare but serious side effects could occur. You should read the Patient Information Sheet to know which symptoms to watch for and when to report changes. Women should check with their doctors before becoming pregnant and before breastfeeding. Ketoconazole can interact with other medicines. You should always check with your doctor or pharmacist before taking or using other medicines. For best results with Ketoconazole, follow the "Instructions for Use" and make sure to finish the full course prescribed by your doctor.