LEVO-DROMORAN vs SUBSYS

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 22, 2026·How we rate

Possible drug interaction. LEVO-DROMORAN and SUBSYS 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	LEVO-DROMORAN	SUBSYS
Rating	70/100	New
Pharmacy pays	~$319.37 /30	$9.51 /mL
Type	RX	RX
Active ingredient	LEVORPHANOL TARTRATE	FENTANYL
Manufacturer	Valeant Pharm Intl	Btcp Pharma
Dosage forms	Injectable, Tablet	Spray/Inhaler
Drug class	Opioid Agonist	Opioid Agonist
Boxed warning	None	None
Treats	Pain	Pain

levo-dromoran subsys

Rating

70/100

New

Pharmacy pays

~$319.37 /30

$9.51 /mL

Type

Active ingredient

LEVORPHANOL TARTRATE

FENTANYL

Manufacturer

Valeant Pharm Intl

Btcp Pharma

Dosage forms

Injectable, Tablet

Spray/Inhaler

Drug class

Opioid Agonist

Boxed warning

None

Treats

Pain

Frequently asked questions

What is the difference between Levo-Dromoran and Subsys?

Levo-Dromoran contains Levorphanol Tartrate, while Subsys contains Fentanyl — 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.