Lopressor vs. Tenoretic

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

Scroll horizontally → to see comparisons

(Metoprolol Tartrate)

(Atenolol / Chlorthalidone)

Lowers blood pressure and controls heart rate. Lopressor (Metoprolol Tartrate) is good for controlling chest pain and treating heart failure and heart attack. You have to take it with food, and you can't miss doses.Coming soon.
How it works
Lopressor (Metoprolol Tartrate) is a beta blocker. It lowers blood pressure by slowing heart rate, relaxing blood vessels, and lowering the body's fight-or-flight response.Coming soon.
Type of medication
Beta blocker
Prescription only
Coming soon.
Available as
  • Pill
  • Pill
Used for (click to learn more)
  • Hypertension
Find lowest prices
Powered by GoodRxSave on your next prescription. Be sure you’re getting the lowest price for your medication, even if you have insurance.
No pricing data for this drug at this filter setting. Try searching onGoodRx
Reviews & ratings
Button Group. All currently active
Button Group. All currently active
Reviews for Lopressor (Metoprolol Tartrate)
of people say Lopressor (Metoprolol Tartrate) is worth it
say it works well
say it's a big hassle
Side effects
  • Abnormally slow heartbeat 9%
  • Low blood pressure 4%
  • First-degree heart block 3%
More Lopressor side effects »

We haven’t found good data for Tenoretic side effects.

FDA side effect reports for Tenoretic »
Risk factors for serious side effects
  • Diabetes
    • Coronary artery disease
    • Heart failure
    • Major surgery requiring anesthesia
    • History of asthma
    Detailed Lopressor (Metoprolol Tartrate) risks & warnings »
    Coming soon.
    Pregnancy category
    No specific alcohol-related info.No specific alcohol-related info.
    • Metoprolol tartrate is the immediate release version of Toprol XL. You have to take Metoprolol tartrate with food for it to work best. (On the other hand, you can take Toprol XL any time.)
    • Take it with food.
    No specific food-related info.
    Kidneys and liver
    No specific kidneys and liver-related info.No specific kidneys and liver-related info.
    No specific sex-related info.No specific sex-related info.
    No specific sleep-related info.No specific sleep-related info.
    No specific weight-related info.No specific weight-related info.
    Upsides and benefits
    • A first-choice treatment to prevent chest pain (angina). Makes pain attacks less frequent and makes it easier to be active without having chest pain.
    • A first-choice treatment for heart failure. May prevent long-term heart damage.
    • A first-choice treatment for heart attack. Lowers the risk of death during and after a heart attack.
    Coming soon.
    Downsides and risks
    • Metoprolol tartrate is the immediate release version of Toprol XL. You have to take Metoprolol tartrate with food for it to work best. (On the other hand, you can take Toprol XL any time.)
    • 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.
    • You can't miss doses. Stopping Metoprolol tartrate suddenly can cause your blood pressure to go up suddenly, which raises the risk of heart attack and stroke.
    Coming soon.
    Tips from our pharmacists for people taking the medication
    • Take it with food.
    • 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 cause fatigue and headache.
    • Can hide symptoms of low blood sugar. Be careful if you're diabetic.
    • Don't stop taking this medicine suddenly.
    • This is the immediate release version. It also comes as an extended release form: Toprol XL (metoprolol succinate).
    Coming soon.
    Learn more
    More about LopressorSide effectsReviews & ratingsAlternativesFDA package insert
    More about TenoreticSide effectsReviews & ratingsFDA package insert