BLOCADREN vs INDERAL

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. BLOCADREN and INDERAL 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	BLOCADREN	INDERAL
Rating	70/100	New
Pharmacy pays	$1.06 /mL	~$2.49 /30
Type	RX	RX
Active ingredient	TIMOLOL MALEATE	PROPRANOLOL HYDROCHLORIDE
Manufacturer	Merck	Wyeth Ayerst
Dosage forms	Tablet	Tablet
Drug class	Beta-Adrenergic Blocker	Beta-Adrenergic Blocker
Boxed warning	None	None
Half-life	—	about 3 to 6 hours (plasma half-life, immediate-release, in healthy adults)
Treats	Angina Pectoris, Open-Angle Glaucoma, Heart Failure	Angina Pectoris, Esophageal and Gastric Varices, Heart Failure

blocadren inderal

Rating

70/100

New

Pharmacy pays

$1.06 /mL

~$2.49 /30

Type

Active ingredient

TIMOLOL MALEATE

PROPRANOLOL HYDROCHLORIDE

Manufacturer

Merck

Wyeth Ayerst

Dosage forms

Tablet

Drug class

Beta-Adrenergic Blocker

Boxed warning

None

Half-life

—

about 3 to 6 hours (plasma half-life, immediate-release, in healthy adults)

Treats

Angina Pectoris, Open-Angle Glaucoma, Heart Failure

Angina Pectoris, Esophageal and Gastric Varices, Heart Failure

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Frequently asked questions

What is the difference between Blocadren and Inderal?

Blocadren contains Timolol Maleate, while Inderal contains Propranolol Hydrochloride — 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.