The side effects of enalapril maleate tablets are mainly the following: 1. hypotension, enalapril as an antihypertensive drug, if taken in large doses can lead to lower blood pressure, or even hypotension, pay attention to monitoring blood pressure, and reduce the dosage when necessary. 2. angioneurotic edema, can lead to laryngeal edema, respiratory distress, patients who have this adverse reaction, to disable this drug for life. 3. The drug has the effect of raising the blood potassium, especially in patients with renal insufficiency, so pay attention to monitoring the blood potassium. 5, irritating dry cough, the drug can affect the metabolism of bradykinin, resulting in the side effect of dry cough, if necessary, you can Switch to telmisartan if necessary.