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Atenolol and chlorthalidone
  • Treatments
  • High Blood Pressure

Atenolol and chlorthalidone

Generic name: atenolol and chlorthalidone [ a-TEN-oh-lole-and-klor-THAL-i-done ]
Brand names: Tenoretic 100, Tenoretic 50
Dosage form: oral tablet (100 mg-25 mg; 50 mg-25 mg)
Drug class:Beta blockers with thiazides

Medically reviewed by Drugs.com on Oct 5, 2020. Written by Cerner Multum.

What is atenolol and chlorthalidone?

Atenolol is a beta-blocker. Chlorthalidone is a thiazide diuretic (water pill).

Atenolol and chlorthalidone is a combination medicine used to treat hypertension (high blood pressure). Lowering blood pressure may lower your risk of a stroke or heart attack.

Atenolol and chlorthalidone may also be used for purposes not listed in this medication guide.

Warnings

You should not use atenolol and chlorthalidone if you have a serious heart problem such as heart block or slow heart rate, if you are unable to urinate, or if you are allergic to sulfa drugs.

Do not use atenolol and chlorthalidone if you are pregnant. It could harm the unborn baby.

Before taking this medicine

You should not use this medicine if you are allergic to atenolol or chlorthalidone, or if you have:

  • a serious heart condition such as "AV block" (second or third degree);

  • very slow heartbeats;

  • heart failure;

  • if you are unable to urinate; or

  • if you are allergic to sulfa drugs.