Atenolol (Tenormin) is used to treat high blood pressure, angina, and other conditions. Learn about its side effects, dosage, uses, and more.
Child Dosage (ages 0-17 years).
Atenolol is used to:
Don’t double your dose.
TENORMIN (atenolol), a synthetic, beta1-selective (cardioselective) adrenoreceptor blocking agent, may be chemically described as benzeneacetamide, 4 -[2'-hydroxy- 3'-[(1- methylethyl) amino] propoxy]-. TENORMIN is available as 25, 50 and 100 mg tablets for oral administration.
The following maximum oral dosages are recommended for elderly, renally-impaired patients and for patients with renal impairment due to other causes:
In patients with acute myocardial infarction, cardiac failure which is not promptly and effectively controlled by 80 mg of intravenous furosemide or equivalent therapy is a contraindication to beta-blocker treatment.
While taking beta blockers, patients with a history of anaphylactic reaction to a variety of allergens may have a more severe reaction on repeated challenge, either accidental, diagnostic or therapeutic.
Find patient medical information for Tenormin Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.
See also Warning and Precautions sections.
It is important to continue taking this medication even if you feel well. To help you remember, take it at the same time(s) each day. Most people with high blood pressure do not feel sick. Use this medication regularly in order to get the most benefit from it.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
In the US.
Check your blood sugar regularly as directed and share the results with your doctor.
Tenormin is a beta-blocker used to treat angina and high blood pressure. Includes Tenormin side effects, interactions and indications.
High blood pressure often has no symptoms. If you are being treated for high blood pressure, keep using this medication even if you feel fine. You may need to use blood pressure medication for the rest of your life.
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50 mg orally twice a day or 100 mg orally once a day Comments: -If IV beta blockers are contraindicated or inappropriate, oral therapy should continue for at least 7 days post-myocardial infarction (MI).
Find a comprehensive guide to possible side effects including common and rare side effects when taking Tenormin (Atenolol Tablets) for healthcare.
Reasons for Reduced Dosage IV Atenolol Reduced Dose ( < 5 mg)* Oral Partial Dose Hypotension/Bradycardia 105 (1.3%) 1168 (14.5%) Cardiogenic Shock 4 (.04%) 35 (.44%) Reinfarction 0 (0%) 5 (.06%) Cardiac Arrest 5 (.06%) 28 (.34%) Heart Block ( > first degree) 5 (.06%) 143 (1.7%) Cardiac Failure 1 (.01%) 233 (2.9%) Arrhythmias 3 (.04%) 22 (.27%) Bronchospasm 1 (.01%) 50 (.62%) *Full dosage was 10 mg and some patients received less than 10 mg but more than 5 mg.
Central Nervous System: Reversible mental depression progressing to catatonia ; an acute reversible syndrome characterized by disorientation of time and place; short-term memory loss ; emotional lability with slightly clouded sensorium ; and, decreased performance on neuropsychometrics.
Call your doctor for medical advice about side effects.