Tenormin

(atenolol)

3.6/ 5 average rating with 457 reviewsforAtenolol
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Lowers blood pressure and controls heart rate.

Skip Upsides & Downsides section. Skip to side effects section.

Our bottom line

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.

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    $387.48
Quick facts about Atenolol
  • Drug class: Cardiovascular
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (atenolol)

Upsides

  • 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.
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What to expect from Atenolol, on one page

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People’s experience with Atenolol

457reviews so far. What do you think?

Downsides

  • 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.
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What to expect from Atenolol, on one page

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How it works

Tenormin (atenolol) is a selective beta blocker that works specifically on the heart by slowing down the heart and making the heart pump better.

Quick facts about Atenolol
  • Drug class: Cardiovascular
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (atenolol)

Dosage forms

  • Pill
People’s experience with Atenolol

457reviews so far. What do you think?

Prices and coupons

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What to expect when you take Tenormin (atenolol) for Treatment after heart attack

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  • First few hoursHours
    First few daysDays
    First few weeksWeeks
    First few monthsMonths
  • Effectiveness
  • Starts to kick in
    Full effects
  • First few hoursHours
    First few daysDays
    First few weeksWeeks
    First few monthsMonths
  • Possible side effects
  • Low heart rate
  • Dizziness
  • Tiredness
  • Depression
  • Feeling cold in arms and legs
  • Breathing problems
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Side effect rates for Tenormin (atenolol)

From 806 clinical trials of Atenolol when taken for high blood pressure
  • Tiredness
    26%26%
    13%13%
  • Dizziness
    13%13%
    6%6%
  • Cold arms and legs
    12%12%
    5%5%
  • Depression
    12%12%
    9%9%
  • Fatigue
    6%6%
    5%5%
  • Shortness of breath
    6%6%
    4%4%
  • Low blood pressure on movement changes
    4%4%
    5%5%
  • Slower heartbeat
    3%3%
  • Leg Pain
    3%3%
    1%1%
  • Light-headedness
    3%3%
  • Decreased energy
    3%3%
  • Vivid dreams
    3%3%
    1%1%
  • Diarrhea
    3%3%
    2%2%
  • Nausea
    3%3%
    1%1%
  • Wheeziness
    3%3%
    3%3%
  • Feeling off balance
    2%2%
  • Drowsiness
    2%2%
0%
10%
20%
30%
40%
50%
60%
70%
80%
Where we got our data »

The placebo bar shows how common a side effect was for people taking a sugar pill instead of Atenolol.

Tenormin (atenolol)
Placebo

People taking Atenolol felt side effect more

People taking Atenolol felt side effect less

No difference

Risks and Warnings for Tenormin (atenolol)

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    • Higher risk if:
    • Suddenly stopping Tenormin (atenolol)

    Do not stop taking Tenormin (atenolol) suddenly without consulting your doctor if you have coronary artery disease, since chest pain (angina) can get worse or start a heart attack. Talk to your doctor first if you would like to stop this medication.

    This is a black box warning. The FDA requires this warning when there is a significant risk of serious or life-threatening effects that anyone taking the drug should consider.

Means that some groups have a high risk of experiencing this side effect

Common concerns from people taking Tenormin (atenolol)

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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.

Tip: Always talk with your doctor before you take any medication while pregnant.
FDA pregnancy category for Atenolol
DWeigh risks vs. benefits
Pain
  • Worth it
    Low hassle
    Reviewed Atenololon 9/8/2017I felt more normal while I was on this I wasn't scared all the time that I was going to die from my chest pain it was far and few between while on this med
    48
    Woman
    Two years or more
    Abnormal heart rhythm