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Lisinopril vs. Atenolol

Lisinopril (Zestril) is an angiotensin-converting enzyme inhibitor, or ACE inhibitor. It's used to treat high blood pressure in people 6 years and older. In adults, it's also approved to manage heart failure and to lower the risk of death after a heart attack. Lisinopril (Zestril) comes as a tablet that's taken by mouth once daily. There's also an oral solution available under the brand name Qbrelis. Some side effects include dizziness, cough, and headache.

• High blood pressure in people ages 6 years and older
• Heart failure in adults
• Lowering the risk of death after a heart attack in adults

• Dizziness (up to 19%)
• Low blood pressure (up to 11%)
• Higher creatinine levels (up to 10%)

• Harm to an unborn baby
• Angioedema (swelling)
• Low blood pressure
• Possible worsening of kidney problems
• High potassium levels
• Liver problems

Atenolol (Tenormin) is a cardioselective beta-blocker that's used to treat high blood pressure and chest pain. It's also used to lower the risk of death after a heart attack. Atenolol (Tenormin) works by slowing down heart rate and making it easier for your heart to pump blood. Atenolol (Tenormin) is taken by mouth, typically once daily. Some common side effects of this medication include dizziness, feeling tired, and having cold hands and feet.

• High blood pressure
• Chest pain (stable angina)
• Lower risk of death after heart attack

• Feeling tired (up to 26%)
• Dizziness (up to 13%)
• Cold hands and feet (up to 12%)
• Feeling depressed (up to 12%)
• Trouble catching your breath (up to 6%)

Note: Side effects were reported by people who took atenolol for high blood pressure

• Worsening chest pain, heart attacks, and irregular heartbeat
• Heart failure
• Risk of difficulty breathing
• Greater risk during surgery
• Hiding symptoms of low blood sugar
• Hiding symptoms of overactive thyroid
• Risk of heart block (medication interaction)
• Risk of harm to unborn and breastfed babies