Compare Atenolol vs. Propranolol

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Tenormin
(Atenolol)

Inderal
(Propranolol)

Lowers blood pressure and controls heart rate. Tenormin (Atenolol) is good for controlling chest pain and treating heart failure and heart attack with fewer side effects than other beta blockers. You have to take it on an empty stomach, and you can't miss doses.Lowers blood pressure and controls heart rate. Inderal (Propranolol) is good for treating many heart problems and other problems in the body, but it has more side effects than other beta blockers. You can't miss doses.
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Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
4.896860986547085Atenolol
Reviews for Tenormin (Atenolol)
57%
of people (All ages) say Tenormin (Atenolol) is worth it
48%
say it works well
16%
say it's a big hassle
446 reviews
Have you used Tenormin (Atenolol)?
Worth itNot sureNot worth it
Reviews for Inderal (Propranolol)
62%
+5% vs. Tenormin (Atenolol)
58%
+10% vs. Tenormin (Atenolol)
17%
1% vs. Tenormin (Atenolol)
Have you used Inderal (Propranolol)?
Worth itNot sureNot worth it
Side effects
AtenololPropranolol
  • Tiredness 13%
  • Dizziness 7%
  • Cold extremities 7%
  • Low mood disorder 3%
  • Vivid dreams 2%
  • Shortness of breath 2%
  • Leg pain 2%
  • Nausea 2%
  • Diarrhea 1%
  • Fatigue 1%
More Atenolol side effects »
  • Dizziness 5%
  • Fatigue 4%
More Propranolol side effects »
How it works
AtenololPropranolol
Tenormin (Atenolol) is a selective beta blocker that works specifically on the heart. It lowers blood pressure by slowing down the heart and making it less work to pump.Inderal (Propranolol) is an alpha and beta blocker. It lowers blood pressure by slowing heart rate, relaxing blood vessels, and lowering the body's fight-or-flight response.
Type of medication
AtenololPropranolol
Antihypertensive
Beta blocker
Prescription only
Antihypertensive
Beta blocker
Prescription only
Available as
AtenololPropranolol
  • Pill
  • Pill
  • Extended release
  • Liquid
Used for (click to learn more)
AtenololPropranolol
Risk factors for serious side effects
AtenololPropranolol
  • Suddenly stopping Tenormin (Atenolol)
    • Taking calcium channel blockers
    • Major surgery requiring anesthesia
    • Diabetes
      • Taking clonidine
      Detailed Tenormin (Atenolol) risks & warnings »
      • Suddenly stopping Inderal (Propranolol)
        • Major surgery requiring anesthesia
        • Diabetes
          • Concurrent use of non-dihydropyridine calcium channel blockers, digoxin or clonidine
            Detailed Inderal (Propranolol) risks & warnings »
            Pregnancy

            Research studies with real people found harmful effects on unborn babies, but the benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

            Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

            Upsides and benefits
            AtenololPropranolol
            • A first-choice treatment for heart failure and heart attack.
            • At lower doses, Atenolol has fewer side effects than most beta blockers because it targets the heart and doesn't cross into the brain and central nervous system.
            • A first-choice treatment to prevent chest pain (angina).
            • A first-choice treatment for heart failure, heart attack, heart valve disorders, and abnormal heart rhythm.
            • Also treats and prevents many non-heart problems, such as tremors, anxiety, migraines, and liver disease symptoms.
            • A first-choice treatment to prevent chest pain (angina).
            Downsides and risks
            AtenololPropranolol
            • You have to take Atenolol on an empty stomach.
            • You can't miss doses. Stopping Atenolol suddenly can cause your blood pressure to go up suddenly, which raises the risk of heart attack and stroke.
            • Taking a beta blocker might make you feel more tired or out of breath during exercise or normal daily routines. This gets better for most people, but for some might not go away.
            • Not a first-choice treatment for high blood pressure according to the latest guidelines, except if you have heart failure or heart disease. As a second choice, your doctor might add it to medicines you're already taking if your blood pressure is still too high.
            • Can hide symptoms of low blood sugar if you're diabetic.
            • Has more side effects than some beta blockers because it crosses into the brain and central nervous system.
            • You can't miss doses. Stopping Propranolol suddenly can cause your blood pressure to go up suddenly, which raises the risk of heart attack and stroke.
            • Taking a beta blocker might make you feel more tired or out of breath during exercise or normal daily routines. This gets better for most people, but for some might not go away.
            • Not a first-choice treatment for high blood pressure according to the latest guidelines, except if you have heart failure or heart disease. As a second choice, your doctor might add it to medicines you're already taking if your blood pressure is still too high.
            • Can hide symptoms of low blood sugar if you're diabetic.
            Tips from our pharmacists for people taking the medication
            AtenololPropranolol
            • Take it on an empty stomach.
            • Can cause fatigue and insomnia.
            • Can cause dizziness in the first few days.
            • Check your blood pressure 1 week after starting this medicine, and tell your doctor if it hasn't improved.
            • Can hide symptoms of low blood sugar. Be careful if you're diabetic.
            • Don't stop taking this medicine suddenly.
            • Can cause insomnia and fatigue.
            • Can cause dizziness in the first few days.
            • Check your blood pressure 1 week after starting this medicine, and tell your doctor if it hasn't improved.
            • Can hide symptoms of low blood sugar. Be careful if you're diabetic.
            • Don't stop taking this medicine suddenly.
            Learn more
            More about AtenololSide effectsReviews & ratingsAlternativesFDA package insert
            Have you used Tenormin (Atenolol)?
            Worth itNot sureNot worth it
            More about PropranololSide effectsReviews & ratingsAlternativesFDA package insert
            Have you used Inderal (Propranolol)?
            Worth itNot sureNot worth it