Taking lisinopril 10mg tablets may cause a loss of blood pressure called hypotension as a side effect. The Drugs.com website states that lowered blood pressure could cause dizziness, drowsiness or fainting. Learn about the potential side effects of lisinopril. Includes common and rare side effects information for consumers and healthcare professionals. Lisinopril (Zestril, Prinivil, Qbrelis) is an ACE inhibitor drug used to treat elevated blood pressure and heart failure and to improve survival after heart attack. Side effects include a non-productive cough, nausea, insomnia, and sexual dysfunction. Drug interactions and pregnancy and breastfeeding safety information is included. Lisinopril is a prescription medication used to treat high blood pressure (hypertension) in both adults and children 6 years of age and older. By medical definition, high blood pressure is a condition that is defined as a repeatedly elevated blood pressure. Lisinopril is used to treat hypertension, congestive heart failure and to improve survival after a heart attack. Learn about side effects, interactions and indications. Lisinopril (Zestril) is a medication to treat high blood pressure and heart failure. An ACE inhibitor, it also reduces the risk of stroke and heart attack. Zestril is an angiotensin-converting enzyme (ACE) inhibitor used to treat high blood pressure (hypertension), congestive heart failure, and to improve survival after a heart attack. Lisinopril/hctz (Zestoretic, Prinzide) is an inexpensive drug used to treat high blood pressure. This drug is slightly more popular than comparable drugs. Find patient medical information for Lisinopril Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Lisinopril is a medication used to lower blood pressure. According to PDRHealth, among its side effects are dizziness, light-headedness or fainting upon standing suddenly from a seated or lying down position.