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- What is atenolol, and how does it work (mechanism of action)?
- What brand names are available for atenolol?
- Is atenolol available as a generic drug?
- Do I need a prescription for atenolol?
- What are the side effects of atenolol?
- What is the dosage for atenolol?
- Which drugs or supplements interact with atenolol?
- Is atenolol safe to take if I'm pregnant or breastfeeding?
- What else should I know about atenolol?
What is the dosage for atenolol?
- The dose for treating high blood pressure or angina is 25-100 mg once daily.
- Acute myocardial infarction (heart attack) is treated with two 5 mg injections administered 10 minutes apart. Ten minutes after the last injection, give 50 mg every 12 hours followed by 100 mg oral atenolol daily for 6-9 days. If atenolol injections are not appropriate, patients may be treated with 100 mg daily of oral atenolol for 7 days.
Which drugs or supplements interact with atenolol?
: Calcium channel blockers (CCBs) and digoxin (Lanoxin) can cause lowering of blood pressure and heart rate to dangerous levels when administered together with atenolol. Atenolol can mask the early warning symptoms of low blood sugar (hypoglycemia), and should be used with caution in patients receiving treatment for diabetes.
Quick GuideHow to Lower Blood Pressure: Exercise Tips
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Use the pill identifier tool on RxList.