Displaying 23 results of Lisinopril Impurities Lisinopril is a widely used medication for treating hypertension and heart failure. However, like all medications, it may contain impurities that can adversely affect its efficacy and safety. These impurities may be present due to various reasons such as poor manufacturing processes, degradation of the active ingredient, or contamination during transportation or storage. Therefore, it is crucial to monitor and control the levels of impurities in Lisinopril to ensure its quality and safety for patients.