Drug information provided by: Merative, Micromedex®
Methadone injection is used to treat moderate to severe pain when around-the-clock pain relief is needed for a long period of time. This medicine should not be used to treat pain that you only have once in a while or "as needed". Methadone injection is also used together with medical supervision and counseling to treat opioid addiction (eg, heroin or other morphine-like drugs) in patients who cannot take oral medicines.
Methadone is an opioid (narcotic) analgesic (pain medicine). It acts on the nervous system to relieve pain.
This medicine is available only with your doctor's prescription.
This product is available in the following dosage forms:
Portions of this document last updated: Nov. 01, 2023
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
Join our Year-End Challenge and triple your gift to help shape the future of healthcare!