Displaying 2 results of Perhexiline Impurities Perhexiline is a medication that is used to treat angina, a condition that causes chest pain due to reduced blood flow to the heart. Perhexiline impurities refer to any unwanted substances or byproducts present in the medication that may affect its purity, potency, or safety. It is important to identify and control these impurities to ensure the quality and effectiveness of the medication.