CESAMET vs PROMETHEGAN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. CESAMET and PROMETHEGAN 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	CESAMET	PROMETHEGAN
Rating	New	70/100
Pharmacy pays	—	~$1.53 /30
Type	RX	RX
Active ingredient	NABILONE	PROMETHAZINE HYDROCHLORIDE
Manufacturer	Bausch	Cosette
Dosage forms	Capsule	Suppository
Drug class	Cannabinoid	Phenothiazine
Boxed warning	None	Boxed warning
Half-life	—	about 9 to 16 hours
Treats	Nausea, Vomiting	Anaphylaxis, Allergic Conjunctivitis, Motion Sickness

cesamet promethegan

Rating

New

70/100

Pharmacy pays

—

~$1.53 /30

Type

Active ingredient

NABILONE

PROMETHAZINE HYDROCHLORIDE

Manufacturer

Bausch

Cosette

Dosage forms

Capsule

Suppository

Drug class

Cannabinoid

Phenothiazine

Boxed warning

None

Boxed warning

Half-life

—

about 9 to 16 hours

Treats

Nausea, Vomiting

Anaphylaxis, Allergic Conjunctivitis, Motion Sickness

Frequently asked questions

What is the difference between Cesamet and Promethegan?

Cesamet contains Nabilone, while Promethegan contains Promethazine 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.