Compare Toprol XL vs. Atenolol

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

Toprol XL (metoprolol succinate)

Prescription only

Tenormin (atenolol)

Prescription only
Lowers blood pressure and controls heart rate.

Toprol XL (metoprolol succinate) is good for controlling chest pain, treating heart failure, and heart attack. It has the added benefit of being taken once a day.

5.2/ 7 average rating with 164 reviewsforToprol XL
Lowers blood pressure and controls heart rate.

Tenormin (atenolol) is good for controlling chest pain and treating a heart attack. It has fewer side effects than other beta blockers. You need to take it on an empty stomach and you can't skip doses.

4.9/ 7 average rating with 457 reviewsforAtenolol
Upsides
  • A first-choice treatment to prevent chest pain (angina). It makes attacks less frequent and helps you be more active without having chest pain.
  • Toprol XL (metoprolol succinate) is a first-choice treatment for heart failure since it may prevent long-term heart damage.
  • It's also a first-choice for heart attack treatment since it lowers the risk of death during and after a heart attack.
  • Toprol XL (metoprolol succinate) is the extended release version of metoprolol tartrate and only needs to be taken once a day.
  • It's available as a generic and is relatively cheap.
  • A first-choice treatment to prevent chest pain (angina).
  • A first-choice treatment for heart attack recovery.
  • At lower doses, Tenormin (atenolol) has fewer side effects than other beta blockers because it targets the heart and not other parts of the body.
Downsides
  • Taking a beta blocker can make you feel more tired or out of breath during exercise or normal daily routines. This gets better for most people, but for some this may not go away.
  • It's not a first-choice treatment for high blood pressure according to the latest guidelines, except if you have heart failure or heart disease.
  • Toprol XL (metoprolol succinate) can hide symptoms of low blood sugar if you have diabetes.
  • You can't miss doses. Stopping Toprol XL (metoprolol succinate) suddenly can cause your blood pressure to go up quickly, which increases your risk of heart attack and stroke.
  • You need to take Tenormin (atenolol) on an empty stomach.
  • 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 it might not go away for others.
  • Not a first-choice treatment for high blood pressure unless you have heart disease. However, your doctor could add it to other medicines you're already if your blood pressure is still too high.
  • You can't miss or skip doses. If you stop Tenormin (atenolol) suddenly, it can cause your blood pressure to go up really quickly, raising your risk of heart attack and stroke.
  • Tenormin (atenolol) can hide symptoms of low blood sugar if you're diabetic.
Used for
Dosage forms
  • Extended release
  • Pill
Price
Lowest price near you
$39.66
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$4
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Reviews
164 
60%
think this treatment is worth it
54%
think this treatment works well
13%
think this treatment is a hassle

Have you used Toprol XL (metoprolol succinate)?

Leave a review
457 
58%
think this treatment is worth it
48%
think this treatment works well
16%
think this treatment is a hassle

Have you used Tenormin (atenolol)?

Leave a review
Side effects
2possible side effects
  • Dizziness/balance problems
    2%
  • Slower heartbeat
    2%
See more detailed side effects
10possible side effects
  • Tiredness
    26%
  • Dizziness
    13%
  • Cold arms and legs
    12%
  • Depression
    12%
  • Fatigue
    6%
  • Shortness of breath
    6%
  • Low blood pressure on movement changes
    4%
  • Slower heartbeat
    3%
  • Leg Pain
    3%
  • Light-headedness
    3%
See more detailed side effects
Risks and warnings
  • Heart problems

    Sudden discontinuation of medicine

    ...and 1 more risk factors

  • Masked symptoms of low blood sugar

    Diabetes

  • Masked symptoms of overactive thyroid

    Hyperthyroidsim

  • Increased symptoms of heart failure

    Heart failure

  • Increased risks during surgery

    Major surgery requiring anesthesia

  • Trouble breathing (bronchospastic disease)

    History of asthma

    ...and 1 more risk factors

See more detailed risks and warnings
  • Heart attack or increased chest pain

    Suddenly stopping Tenormin (atenolol)

  • Slowing heart rate

    Taking calcium channel blockers

  • Increased risks during surgery

    Major surgery requiring anesthesia

  • Masked symptoms of low blood sugar

    Diabetes

  • Increased risk of rebound high blood pressure

    Taking clonidine

See more detailed risks and warnings