DIDREX vs SAXENDA

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 11, 2026·How we rate

Possible drug interaction. DIDREX and SAXENDA 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	SAXENDA
Rating	64/100	70/100
Pharmacy pays	—	$38.75 /mL
Type	RX	RX
Active ingredient	BENZPHETAMINE HYDROCHLORIDE	LIRAGLUTIDE
Manufacturer	Pfizer	Novo Nordisk Inc
Dosage forms	Tablet	Injectable
Drug class	Sympathomimetic Amine Anorectic	Glp-1 Receptor Agonist
Boxed warning	None	Boxed warning
Treats	Obesity	Obesity, Overweight

didrex saxenda

Rating

64/100

70/100

Pharmacy pays

—

$38.75 /mL

Type

Active ingredient

BENZPHETAMINE HYDROCHLORIDE

LIRAGLUTIDE

Manufacturer

Pfizer

Novo Nordisk Inc

Dosage forms

Tablet

Injectable

Drug class

Sympathomimetic Amine Anorectic

Glp-1 Receptor Agonist

Boxed warning

None

Boxed warning

Treats

Obesity

Obesity, Overweight

Frequently asked questions

Which is better-rated, Didrex or Saxenda?

By our independent rating, Saxenda 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 Saxenda?

Didrex contains Benzphetamine Hydrochloride, while Saxenda contains Liraglutide — 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.