Compare Atenolol vs. Timolol

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

Coming soon.

Tenormin
(Atenolol)

Timoptic
(Timolol)

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.Coming soon.
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Reviews & ratings
Filter group. All currently selected
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4.92Atenolol
Reviews for Tenormin (Atenolol)
58%
of people (All ages) say Tenormin (Atenolol) is worth it
48%
say it works well
16%
say it's a big hassle
457 reviews
Have you used Tenormin (Atenolol)?
Worth itNot sureNot worth it

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Have you used Timoptic (Timolol)?
Worth itNot sureNot worth it
Side effects
AtenololTimolol

The Atenolol FDA package insert doesn’t have numbers about how common side effects are.

More about Atenolol side effects »

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

FDA side effect reports for Timolol »
How it works
AtenololTimolol
Tenormin (Atenolol) is a selective beta blocker that works specifically on the heart by slowing down the heart and making the heart pump better.Coming soon.
Type of medication
AtenololTimolol
Antihypertensive
Beta blocker
Prescription only
Coming soon.
Available as
AtenololTimolol
  • Pill
  • Pill
  • Eye drops
  • Extended release
Used for (click to learn more)
AtenololTimolol
  • Hypertension Migraine; Prophylaxis Ocular hypertension Open-angle glaucoma Postmyocardial infarction syndrome; Prophylaxis
Risk factors for serious side effects
AtenololTimolol
  • Suddenly stopping Tenormin (Atenolol)
  • Taking calcium channel blockers
  • Major surgery requiring anesthesia
  • Diabetes
  • Taking clonidine
Detailed 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
AtenololTimolol
  • 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.
Coming soon
Downsides and risks
AtenololTimolol
  • 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.
Coming soon
Tips from our pharmacists for people taking the medication
AtenololTimolol
  • Lowers bad cholesterol and triglycerides. Raises good cholesterol.
  • Avoid grapefruit and grapefruit juice while taking this medicine.
  • Tell your doctor if you develop sudden muscle pain, fever, or weakness.
  • Tell your doctor if you notice dark urine or yellowing in your eyes or skin.
Coming soon
Learn more
More about AtenololSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Tenormin (Atenolol)?
Worth itNot sureNot worth it
More about TimololSide effectsReviews & ratingsFDA package insert
Have you used Timoptic (Timolol)?
Worth itNot sureNot worth it