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Atenolol Tablet Rx

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Product Overview

How To Use

What’s in it?



Questions & Answers

Product Description

Atenolol treats hypertension (high blood pressure) in pets. It can also be used for coronary artery disease-related chest pains or for regulating and slowing specific kinds of tachycardia (abnormal rapid heart rate).
*Sold per Tablet. 

What is Atenolol Tablet?

Atenolol is a beta-blocker it is used to treat heart conditions such as arrhythmias.

Who is Atenolol Tablet for?

For use in dogs and cats.

Why use Atenolol Tablet?

Atenolol is used in the treatment of cardiovascular disease, and it can also assist in lowering blood pressure and treating heart enlargement in cats.

How does Atenolol Tablet work?

Atenolol affects the impulses of certain nerves.


Ranbaxy / Sandoz / Teva or other generic brand

Active ingredient(s):


How is Atenolol Tablet sold?

Sold by the tablet in 25 mg and 50 mg strengths.

What are the side effects of Atenolol Tablet?

The most frequently reported adverse reactions include:
  • Nausea
  • Dizziness
  • Low blood pressure
  • Slow heartbeat
Other reactions may also occur, but are less likely.

Rarely, allergic reactions may occur. The signs of an allergic reaction include swelling, difficulty breathing, or rash. If these or any other symptoms occur, immediately contact your veterinarian.

What special precautions are there?

Do not use in:
  • Lactating or pregnant animals, unless your veterinarian determines that the benefits outweigh the risks
  • Cats with left-sided heart failure because of hypertrophic cardiomyopathy (HCM)
  • Pets with bronchospastic lung disease
  • Pets with low heart rates
  • Pets with heart block greater than first degree
  • Pets with heart failure
  • Hypersensitive pets (to any drug in this class)
Use with caution in pets with:
  • Gastrointestinal ulcers
  • Heart conditions
  • Asthma
  • Diabetes
  • Significant kidney disease
Dogs with certain ADRB1 genes can be more sensitive to this medication's effects.

What to do if overdose?

Contact your closest animal hospital.

How can I store Atenolol Tablet?

Store in a dry and cool environment.

Helpful Tips:

Atenolol is typically used in conjunction with other anti-arrhythmic cardiac medications.

Pharmacists are standing by to offer Pet Parent counseling regarding prescription medication purchased from Allivet before and after dispensing. Pharmacists on duty are available Monday-Friday, 9:30AM - 5:30PM EST and will be on call Saturday 12:00PM - 4:00PM EST for consultation.


Use as prescribed by your vet.

Main Ingredients


Learn how you can tell if your dog or cat has high blood pressure

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Atenolol Tablet

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