REMIFENTANIL HYDROCHLORIDE vs ULTRAM

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 17, 2026·How we rate

Possible drug interaction. REMIFENTANIL HYDROCHLORIDE and ULTRAM 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	REMIFENTANIL HYDROCHLORIDE	ULTRAM
Rating	New	70/100
Pharmacy pays	—	~$0.72 /30
Type	RX	RX
Active ingredient	REMIFENTANIL HYDROCHLORIDE	TRAMADOL HYDROCHLORIDE
Manufacturer	Nivagen Pharms Inc	Janssen Pharms
Dosage forms	Injectable	Tablet
Drug class	Opioid Agonist	Opioid Agonist
Boxed warning	Boxed warning	None
Half-life	—	about 6 hours (mean terminal elimination half-life of tramadol in healthy adults)
Treats	Pain	Pain

remifentanil hydrochloride ultram

Rating

New

70/100

Pharmacy pays

—

~$0.72 /30

Type

Active ingredient

REMIFENTANIL HYDROCHLORIDE

TRAMADOL HYDROCHLORIDE

Manufacturer

Nivagen Pharms Inc

Janssen Pharms

Dosage forms

Injectable

Tablet

Drug class

Opioid Agonist

Boxed warning

None

Half-life

—

about 6 hours (mean terminal elimination half-life of tramadol in healthy adults)

Treats

Pain

Frequently asked questions

What is the difference between Remifentanil Hydrochloride and Ultram?

Remifentanil Hydrochloride contains Remifentanil Hydrochloride, while Ultram contains Tramadol 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.