METHADONE HYDROCHLORIDE vs NUMORPHAN

Independent side-by-side comparison.

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

Possible drug interaction. METHADONE HYDROCHLORIDE and NUMORPHAN 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	METHADONE HYDROCHLORIDE	NUMORPHAN
Rating	72/100	72/100
Pharmacy pays	$0.18 /mL	~$36.74 /30
Type	RX	RX
Active ingredient	METHADONE HYDROCHLORIDE	OXYMORPHONE HYDROCHLORIDE
Manufacturer	Hikma	Endo Pharms
Dosage forms	Injectable, Solution, Tablet	Suppository
Drug class	Opioid Agonist	Opioid Agonist
Boxed warning	Boxed warning	None
Half-life	about 8 to 59 hours (terminal/elimination half-life; a very wide range)	—
Treats	Opioid-Related Disorders, Intractable Pain	Pain

methadone hydrochloride numorphan

Rating

72/100

Pharmacy pays

$0.18 /mL

~$36.74 /30

Type

Active ingredient

METHADONE HYDROCHLORIDE

OXYMORPHONE HYDROCHLORIDE

Manufacturer

Hikma

Endo Pharms

Dosage forms

Injectable, Solution, Tablet

Suppository

Drug class

Opioid Agonist

Boxed warning

None

Half-life

about 8 to 59 hours (terminal/elimination half-life; a very wide range)

—

Treats

Opioid-Related Disorders, Intractable Pain

Pain

Frequently asked questions

Which is better-rated, Methadone Hydrochloride or Numorphan?

Methadone Hydrochloride and Numorphan are tied at 3.6 out of 5 by our independent rating.

What is the difference between Methadone Hydrochloride and Numorphan?

Methadone Hydrochloride contains Methadone Hydrochloride, while Numorphan contains Oxymorphone 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.