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COREG CR vs REGITINE

Independent side-by-side comparison.

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

Possible drug interaction. COREG CR and REGITINE 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.

coreg crregitine

Rating

New
70/100

Pharmacy pays

~$0.63 /30
—

Type

RX
RX

Active ingredient

CARVEDILOL PHOSPHATE
PHENTOLAMINE MESYLATE

Manufacturer

Waylis Therap
Novartis

Dosage forms

Capsule, extended release
Injectable

Drug class

Alpha-Adrenergic Blocker
Alpha-Adrenergic Blocker

Boxed warning

None
None

Half-life

about 7 to 10 hours
—

Treats

Angina Pectoris, Heart Failure, Hypertension
Extravasation of Diagnostic and Therapeutic Materials, Malignant Hypertension, Necrosis

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Frequently asked questions

What is the difference between Coreg CR and Regitine?

Coreg CR contains Carvedilol Phosphate, while Regitine contains Phentolamine Mesylate — 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.