Ketoconazole is used to treat certain serious fungal infections in the body. It works by stopping the growth of the fungus.
Any history of liver problems, problems with your adrenal gland, personal or family history of long QT syndrome. Tell your doctor if you are pregnant or plan to become pregnant while using this medication. Ketoconazole can pass into breast milk and may harm a nursing baby. You should not breast-feed while using this medicine.