Ketoconazole is a medication primarily used to treat fungal infections. It’s important to follow the correct dosage prescribed by your healthcare professional, as inappropriate usage may lead to side effects such as nausea, headache, or skin irritation. Beyond its principal use for tackling fungal issues, Ketoconazole is also utilized in controlling dandruff, demonstrating its versatile nature in the medical world. Its correct application and understanding of potential side effects can lead to the most effective treatment.