Health Guide
Drug Guide

Atenolol/chlorthalidone (By mouth)

Atenolol (a-TEN-oh-lol), Chlorthalidone (klor-THAL-i-done)

Treats high blood pressure. A lower blood pressure can reduce the risk of stroke and heart attack. This medicine contains a beta blocker and a diuretic (water pill).

Brand Name(s):

Tenoretic 100, Tenoretic 50

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

Do not use this medicine if you have had an allergic reaction to atenolol, chlorthalidone, or a sulfonamide (sulfa drugs). Do not use this medicine if you are pregnant, are not able to urinate, or if you have certain heart problems. Talk with your doctor about what these heart problems are.

How to Use This Medicine:

Tablet

If a dose is missed:

How to Store and Dispose of This Medicine:

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

If you notice these less serious side effects, talk with your doctor:

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088


Last Updated: 12/12/2016

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