Medically reviewed by Drugs.com. Last updated on Feb 24, 2022.
Following abrupt cessation of certain beta-blocking agents, exacerbations of angina pectoris and, in some cases, myocardial infarction and ventricular arrhythmias have occurred. As with other beta blockers, when discontinuation of atenolol is planned, the patients should be carefully observed and advised to minimize physical activity. If the angina worsens or acute coronary insufficiency develops, promptly reinstitute atenolol, at least temporarily. Warn patients against interruption or discontinuation of therapy without advice of physician .
Commonly used brand name(s)
In the U.S.
- Tenormin
Pharmacologic Class: Beta-Adrenergic Blocker, Cardioselective
Uses for atenolol
Atenolol injection is used to reduce the risk of death from an acute heart attack. It is given to people who have already had a heart attack .
Atenolol is a beta-blocker. It works by affecting the response to nerve impulses in certain parts of the body, like the heart. As a result, the heart beats slower and decreases the blood pressure. When the blood pressure is lowered, the amount of blood and oxygen is increased to the heart .
Atenolol is available only with your doctor's prescription .
Before using atenolol
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For atenolol, the following should be considered:
Allergies
Tell your doctor if you have ever had any unusual or allergic reaction to atenolol or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Pediatric
Appropriate studies have not been performed on the relationship of age to the effects of atenolol injection in the pediatric population. Safety and efficacy have not been established .
Geriatric
Appropriate studies performed to date have not demonstrated geriatrics-specific problems that would limi..
