ATENOLOL vs BLOCADREN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 19, 2026·How we rate

Possible drug interaction. ATENOLOL and BLOCADREN are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	ATENOLOL	BLOCADREN
Rating	62/100	70/100
Pharmacy pays	~$0.76 /30	$1.06 /mL
Type	RX	RX
Active ingredient	ATENOLOL	TIMOLOL MALEATE
Manufacturer	Mylan	Merck
Dosage forms	Tablet	Tablet
Drug class	Beta-Adrenergic Blocker	Beta-Adrenergic Blocker
Boxed warning	None	None
Half-life	about 6 to 7 hours	—
Treats	Angina Pectoris, Atrial Fibrillation, Atrial Flutter	Angina Pectoris, Open-Angle Glaucoma, Heart Failure

atenolol blocadren

Rating

62/100

70/100

Pharmacy pays

~$0.76 /30

$1.06 /mL

Type

Active ingredient

ATENOLOL

TIMOLOL MALEATE

Manufacturer

Mylan

Merck

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

Angina Pectoris, Open-Angle Glaucoma, Heart Failure

Get blocadrenhigher-rated option

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Frequently asked questions

Which is better-rated, Atenolol or Blocadren?

By our independent rating, Blocadren scores higher — 3.5 vs 3.1 out of 5 for Atenolol. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Atenolol and Blocadren?

Atenolol contains Atenolol, while Blocadren contains Timolol Maleate — they have different active ingredients.

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.