BENZAMYCIN vs ISOCLOR

Independent side-by-side comparison.

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

Possible drug interaction. BENZAMYCIN and ISOCLOR 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	BENZAMYCIN	ISOCLOR
Rating	74/100	New
Pharmacy pays	$0.05 /g	—
Type	RX	RX
Active ingredient	BENZOYL PEROXIDE AND ERYTHROMYCIN	CHLORPHENIRAMINE MALEATE AND PSEUDOEPHEDRINE HYDROCHLORIDE
Manufacturer	Valeant Pharm Intl	Fisons
Dosage forms	Kit	Capsule, extended release
Drug class	—	—
Boxed warning	None	None
Half-life	—	roughly 3 to 16 hours — the label does not give one number, because the elimination half-life depends on urine pH: about 3 to 6 hours when urine pH is 5 (acidic), and about 9 to 16 hours when urine pH is 8 (alkaline)

benzamycin isoclor

Rating

74/100

New

Pharmacy pays

$0.05 /g

—

Type

Active ingredient

BENZOYL PEROXIDE AND ERYTHROMYCIN

CHLORPHENIRAMINE MALEATE AND PSEUDOEPHEDRINE HYDROCHLORIDE

Manufacturer

Valeant Pharm Intl

Fisons

Dosage forms

Kit

Capsule, extended release

Drug class

—

Boxed warning

None

Half-life

—

roughly 3 to 16 hours — the label does not give one number, because the elimination half-life depends on urine pH: about 3 to 6 hours when urine pH is 5 (acidic), and about 9 to 16 hours when urine pH is 8 (alkaline)

Frequently asked questions

What is the difference between Benzamycin and Isoclor?

Benzamycin contains Benzoyl Peroxide and Erythromycin, while Isoclor contains Chlorpheniramine Maleate and Pseudoephedrine 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.