BENZAMYCIN vs BIPHETAMINE 20

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 6, 2026·How we rate

Possible drug interaction. BENZAMYCIN and BIPHETAMINE 20 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	BIPHETAMINE 20
Rating	74/100	70/100
Pharmacy pays	$0.05 /g	—
Type	RX	RX
Active ingredient	BENZOYL PEROXIDE AND ERYTHROMYCIN	AMPHETAMINE RESIN COMPLEX AND DEXTROAMPHETAMINE RESIN COMPLEX
Manufacturer	Valeant Pharm Intl	Ucb Inc
Dosage forms	Kit	Capsule, extended release
Drug class	—	—
Boxed warning	None	None
Half-life	—	about 10 to 11 hours for d-amphetamine (range 9.8 to 11 hours) and about 12 to 14 hours for l-amphetamine (range 11.5 to 13.8 hours) in healthy adults

benzamycin biphetamine 20

Rating

74/100

70/100

Pharmacy pays

$0.05 /g

—

Type

Active ingredient

BENZOYL PEROXIDE AND ERYTHROMYCIN

AMPHETAMINE RESIN COMPLEX AND DEXTROAMPHETAMINE RESIN COMPLEX

Manufacturer

Valeant Pharm Intl

Ucb Inc

Dosage forms

Kit

Capsule, extended release

Drug class

—

Boxed warning

None

Half-life

—

about 10 to 11 hours for d-amphetamine (range 9.8 to 11 hours) and about 12 to 14 hours for l-amphetamine (range 11.5 to 13.8 hours) in healthy adults

Frequently asked questions

Which is better-rated, Benzamycin or Biphetamine 20?

By our independent rating, Benzamycin scores higher — 3.7 vs 3.5 out of 5 for Biphetamine 20. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Benzamycin and Biphetamine 20?

Benzamycin contains Benzoyl Peroxide and Erythromycin, while Biphetamine 20 contains Amphetamine Resin Complex and Dextroamphetamine Resin Complex — 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.