ATENOLOL vs TENORMIN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 23, 2026·How we rate

Attribute	ATENOLOL	TENORMIN
Rating	62/100	New
Pharmacy pays	~$0.76 /30	~$0.76 /30
Type	RX	RX
Active ingredient	ATENOLOL	ATENOLOL
Manufacturer	Mylan	Twi Pharms
Dosage forms	Tablet	Tablet
Drug class	Beta-Adrenergic Blocker	Beta-Adrenergic Blocker
Boxed warning	None	None
Half-life	about 6 to 7 hours	about 6 to 7 hours
Treats	Angina Pectoris, Atrial Fibrillation, Atrial Flutter	Angina Pectoris, Atrial Fibrillation, Atrial Flutter

atenolol tenormin

Rating

62/100

New

Pharmacy pays

~$0.76 /30

Type

Active ingredient

ATENOLOL

Manufacturer

Mylan

Twi Pharms

Dosage forms

Tablet

Drug class

Beta-Adrenergic Blocker

Boxed warning

None

Half-life

about 6 to 7 hours

Treats

Angina Pectoris, Atrial Fibrillation, Atrial Flutter

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Frequently asked questions

Which is cheaper, Atenolol or Tenormin?

Pharmacies pay about the same to acquire either one — roughly $0.76 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Atenolol and Tenormin?

Both Atenolol and Tenormin share the active ingredient Atenolol.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.