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DOLOPHINE HYDROCHLORIDE vs XTAMPZA ER

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 16, 2026·How we rate

Possible drug interaction. DOLOPHINE HYDROCHLORIDE and XTAMPZA ER 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.

Rating

72/100
New

Pharmacy pays

$0.18 /mL
$0.08 /mL

Type

RX
RX

Active ingredient

METHADONE HYDROCHLORIDE
OXYCODONE

Dosage forms

Tablet, Syrup
Capsule, extended release

Drug class

Opioid Agonist
Opioid Agonist

Boxed warning

Half-life

about 8 to 59 hours (terminal/elimination half-life; a very wide range)
about 3.5 to 4 hours

Treats

Opioid-Related Disorders, Intractable Pain
Postoperative Pain

Frequently asked questions

Which is cheaper, Dolophine Hydrochloride or Xtampza ER?

Xtampza ER costs pharmacies less to acquire — about $0.08 vs $0.18 per ml, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Dolophine Hydrochloride and Xtampza ER?

Dolophine Hydrochloride contains Methadone Hydrochloride, while Xtampza ER contains Oxycodone — 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.