BENZAMYCIN vs PRE-PEN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated September 27, 2026·How we rate

Possible drug interaction. BENZAMYCIN and PRE-PEN 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	PRE-PEN
Rating	74/100	New
Pharmacy pays	$0.05 /g	—
Type	RX	RX
Active ingredient	BENZOYL PEROXIDE AND ERYTHROMYCIN	BENZYLPENICILLOYL POLYLYSINE
Manufacturer	Valeant Pharm Intl	Allerquest
Dosage forms	Kit	Injectable
Drug class	—	—
Boxed warning	None	None

benzamycin pre-pen

Rating

74/100

New

Pharmacy pays

$0.05 /g

—

Type

Active ingredient

BENZOYL PEROXIDE AND ERYTHROMYCIN

BENZYLPENICILLOYL POLYLYSINE

Manufacturer

Valeant Pharm Intl

Allerquest

Dosage forms

Kit

Injectable

Drug class

—

Boxed warning

None

Frequently asked questions

What is the difference between Benzamycin and Pre-Pen?

Benzamycin contains Benzoyl Peroxide and Erythromycin, while Pre-Pen contains Benzylpenicilloyl Polylysine — 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.