Lopressor

(metoprolol tartrate)

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3.7/ 5 average rating with 464 reviewsforLopressor
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Lowers blood pressure and controls heart rate.

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

Our bottom line

Lopressor (metoprolol tartrate) lowers high blood pressure, controls chest pain, and helps treat heart failure and heart attack. You need to take it with food and can't miss a dose.

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

Upsides

  • A first-choice treatment to prevent chest pain (angina).
  • Makes pain episodes less frequent and makes it easier to be active without having chest pain.
  • A first-choice treatment for people who've had a heart attack.
  • Lopressor (metoprolol tartrate) lowers the risk of death during and after a heart attack.
  • Lopressor (metoprolol tartrate) is cheaper than the extended release version.
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What to expect from Lopressor, on one page

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People’s experience with Lopressor

464reviews so far. What do you think?

Downsides

  • You need to take Lopressor (metoprolol tartrate) with food twice a day for it to work best.
  • Taking Lopressor (metoprolol tartrate) may make you feel more tired or out of breath during exercise or your normal daily routines. This gets better for most people, but for some it may not go away.
  • Not a first-choice treatment for high blood pressure, unless you have heart failure or heart disease. It can also be added to other medicines if your blood pressure is still too high.
  • Can hide symptoms of low blood sugar if you're diabetic.
  • You can't miss doses. Stopping Lopressor (metoprolol tartrate) suddenly can cause your blood pressure to go up suddenly, which raises the risk of heart attack and stroke.
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What to expect from Lopressor, on one page

Download Fact Sheet
How it works

Lopressor (metoprolol tartrate) is a beta blocker. It lowers blood pressure by slowing your heart rate, relaxing blood vessels, and lowering the body's fight-or-flight response.

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

Used for

Dosage forms

  • Pill
People’s experience with Lopressor

464reviews so far. What do you think?

Prices and coupons

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What to expect when you take Lopressor (metoprolol tartrate) for Reducing chest pain

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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
  • Diarrhea
  • Breathing problems
Skip side effects section. Skip to risks and warnings section.

Side effect rates for Lopressor (metoprolol tartrate)

  • Tiredness
    10%10%
  • Dizziness
    10%10%
  • Depression
    5%5%
  • Diarrhea
    5%5%
  • Itching or skin rash
    5%5%
  • Shortness of breath
    3%3%
  • Slowed heart rate
    3%3%
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 Lopressor.

Lopressor (metoprolol tartrate)
Placebo

People taking Lopressor felt side effect more

People taking Lopressor felt side effect less

No difference

Risks and Warnings for Lopressor (metoprolol tartrate)

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    • Higher risk if:
    • › Suddenly stopping Lopressor (metoprolol tartrate)
    • › Coronary artery disease

    Stopping Lopressor (metoprolol tartrate) suddenly can cause an irregular fast heartbeat, high blood pressure, poor blood circulation to your heart, and increase your risk of chest pain or heart attack. Work with your doctor to gradually reduce your dose over time if you'd like to stop taking Lopressor (metoprolol tartrate).

    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

Pharmacist Q&A

Lopressor (metoprolol tartrate) questions for

Frequently Asked Questions

This medication treats angina pectoris (chest pain).

Who is this drug for?

This medication treats angina pectoris (chest pain).

Common concerns from people taking Lopressor (metoprolol tartrate)

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Pregnancy

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.

See the FDA package insertSee pregnancy safe medications
Tip: Always talk with your doctor before you take any medication while pregnant.
FDA pregnancy category for Lopressor
CWeigh risks vs. benefits
Food
  • You need to take Lopressor (metoprolol tartrate) with food twice a day for it to work best.
Pain
  • Makes pain episodes less frequent and makes it easier to be active without having chest pain.
Weight
  • Worth it
    Worked well
    Low hassle
    Reviewed Lopressoron 4/20/2017I love this medication. I've taken it for over 10 years for high blood pressure and it is great. I did feel tired (and also gained a little weight, because I think it might slow down one's metabolism) for the first few months, but once I got used to it that went away.
    62
    Woman
    Two years or more
    High blood pressure