Atenolol 25mg
Generic For: Tenormin
Atenolol 25mg (brand name Tenormin) is a beta-blocker used to treat high blood pressure, chest pain (angina), and to improve survival after a heart attack. Atenolol works by slowing the heart rate and reducing the heart's workload. Order online and, after review by a licensed provider, your prescription ships from a licensed U.S. pharmacy.
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100-day supply · $0.25/tablet
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Buy Atenolol 25mg (Tenormin) Online
A beta-blocker for high blood pressure, chest pain (angina), and heart attack recovery
Atenolol 25mg Quick Facts
| Drug class | Beta-adrenergic blocker (beta-blocker) |
|---|---|
| Treats | High blood pressure, angina, post-heart attack care |
| Form | Tablet |
| Typical dosing | Take 1 tablet by mouth daily. |
| Prescription required | Yes — prescription only |
What Is Atenolol 25mg?
Atenolol is a prescription beta-blocker, sold under the brand name Tenormin, that slows the heart rate and lowers blood pressure. It is FDA-approved to treat hypertension, to manage chronic chest pain caused by angina, and to reduce the risk of death after a heart attack. Atenolol may be used alone or together with other blood pressure medicines. The 25mg tablet is a common starting or maintenance strength taken once daily.
What Does Atenolol 25mg Treat?
High blood pressure (hypertension)
Chronic chest pain (angina pectoris)
Heart attack recovery (post-myocardial infarction)
Off-label: certain heart rhythm disturbances (as directed by your provider)
Off-label: migraine prevention (as directed by your provider)
Atenolol 25mg Dosage
Hypertension: 50 mg by mouth once daily; may increase to 100 mg once daily after 1-2 weeks if needed.
Angina: 50 mg by mouth once daily; may increase to 100 mg once daily after 1 week; max 200 mg daily.
Take at the same time each day; do not stop abruptly without medical guidance.
Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.
Atenolol 25mg Side Effects
Common side effects
- Tiredness or fatigue
- Dizziness or lightheadedness
- Slow heart rate
- Cold hands and feet
- Nausea
- Depression or low mood
- Sleep disturbances
Serious side effects
Stop taking this medication and seek medical attention right away if you experience:
- Very slow or irregular heartbeat
- Shortness of breath or wheezing
- Swelling of the ankles, feet, or legs (signs of heart failure)
- Fainting
- Unusual weight gain
- Severe allergic reaction (rash, swelling, trouble breathing)
Warnings & Interactions
Do not stop atenolol suddenly; abrupt discontinuation can worsen angina or trigger a heart attack.
Contraindicated in severe bradycardia, heart block greater than first degree, cardiogenic shock, and overt heart failure.
Use caution with asthma or other bronchospastic disease.
May mask symptoms of low blood sugar in people with diabetes and of hyperthyroidism.
Use caution when combined with calcium channel blockers (e.g., verapamil, diltiazem) or other heart-rate-lowering drugs.
Dose adjustment may be needed with kidney impairment.
Tell your provider if you are pregnant or planning pregnancy; atenolol can affect the fetus.
Tell your prescriber about all medications, supplements, and health conditions before starting atenolol 25mg.
Sources & References
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