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BREVIBLOC DOUBLE STRENGTH IN PLASTIC CONTAINER vs ISTALOL

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. BREVIBLOC DOUBLE STRENGTH IN PLASTIC CONTAINER and ISTALOL 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.

Rating

New
New

Pharmacy pays

$1.06 /mL

Type

RX
RX

Active ingredient

ESMOLOL HYDROCHLORIDE
TIMOLOL MALEATE

Dosage forms

Injectable
Drops

Drug class

Beta-Adrenergic Blocker
Beta-Adrenergic Blocker

Boxed warning

None
None

Treats

Angina Pectoris, Heart Failure, Hypertension
Angina Pectoris, Open-Angle Glaucoma, Heart Failure

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Frequently asked questions

What is the difference between Brevibloc Double Strength in Plastic Container and Istalol?

Brevibloc Double Strength in Plastic Container contains Esmolol Hydrochloride, while Istalol 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.