DIDREX vs DIETHYLPROPION HYDROCHLORIDE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 19, 2026·How we rate

Possible drug interaction. DIDREX and DIETHYLPROPION HYDROCHLORIDE 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	DIDREX	DIETHYLPROPION HYDROCHLORIDE
Rating	64/100	70/100
Pharmacy pays	—	~$7.96 /30
Type	RX	RX
Active ingredient	BENZPHETAMINE HYDROCHLORIDE	DIETHYLPROPION HYDROCHLORIDE
Manufacturer	Pfizer	Epic Pharma LLC
Dosage forms	Tablet	Tablet
Drug class	Sympathomimetic Amine Anorectic	Sympathomimetic Amine Anorectic
Boxed warning	None	None
Treats	Obesity	Obesity

didrex diethylpropion hydrochloride

Rating

64/100

70/100

Pharmacy pays

—

~$7.96 /30

Type

Active ingredient

BENZPHETAMINE HYDROCHLORIDE

DIETHYLPROPION HYDROCHLORIDE

Manufacturer

Pfizer

Epic Pharma LLC

Dosage forms

Tablet

Drug class

Sympathomimetic Amine Anorectic

Boxed warning

None

Treats

Obesity

Frequently asked questions

Which is better-rated, Didrex or Diethylpropion Hydrochloride?

By our independent rating, Diethylpropion Hydrochloride scores higher — 3.5 vs 3.2 out of 5 for Didrex. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Didrex and Diethylpropion Hydrochloride?

Didrex contains Benzphetamine Hydrochloride, while Diethylpropion Hydrochloride contains Diethylpropion 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.