Question 1

What is Atenolol used for?

Accepted Answer

Atenolol is indicated for: arrhythmias, Cardiac arrhythmias, Feline aortic thromboembolism risk reduction, HCM, hypertension, Subaortic stenosis rate control, Supraventricular arrhythmias, Ventricular arrhythmias.

Question 2

What routes can Atenolol be administered by?

Accepted Answer

Available routes: PO.

Question 3

Which species have cited Atenolol dosing data?

Accepted Answer

Atenolol dosing in the ExoticRx formulary covers 3 species: Cat (Domestic), Dog (Domestic), Rabbit (Domestic).

Question 4

Is Atenolol a controlled substance?

Accepted Answer

Atenolol is not federally scheduled as a controlled substance, but is veterinary prescription only in most jurisdictions.

Question 5

What are the warnings or contraindications for Atenolol?

Accepted Answer

Do not discontinue abruptly (rebound tachycardia). Avoid in decompensated heart failure, severe bradycardia, or AV block. May mask hypoglycemia signs.

Question 6

What are the side effects of Atenolol?

Accepted Answer

Do not discontinue abruptly (rebound tachycardia). Avoid in decompensated heart failure, severe bradycardia, or AV block. May mask hypoglycemia signs.

Question 7

How does Atenolol work?

Accepted Answer

Selective beta-1 adrenergic receptor blocker. Reduces heart rate, contractility, and myocardial oxygen demand.

Species	Route	Dose	Frequency	Evidence	Source
Dog (Domestic)	PO	0.5–1 mg/kg	q12h	Moderate	Plumb's Veterinary Drug Handbook, 9th Ed
Dog (Domestic)	PO	0.25–1 mg/kg	q12-24h	Strong	Plumb's Veterinary Drug Handbook, 9th Ed

Atenolol

Drug Class

Routes

Indications

Mechanism of Action

Side effects & warnings

Species with Atenolol dosing data (12 dose rules)

Evidence levels across 12 dose rules

Backed by 2 published primary sources

Sample dosing (2 of 12 cited rules)

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