Immediate-release opioids are faster-acting medication with a shorter duration of pain-relieving action.

Medication-assisted treatment (MAT) – Treatment for opioid use disorder combining the use of medications (methadone, buprenorphine, or naltrexone) with counseling and behavioral therapies.

Morphine milligram equivalents (MME) – The amount of milligrams of morphine an opioid dose is equal to when prescribed. Calculating MME accounts for differences in opioid drug type and strength.