Morphine belongs to the group of medicines called narcotic analgesics (pain medicines). It acts on the central nervous system (CNS) to relieve pain.

What’s the generic name for morphine?

Morphine is a chemical found in the opium plant. It is a narcotic (opioid) pain-reliever similar to hydrocodone, oxycodone, methadone, fentanyl, and other opioids. Morphine is available under the following different brand names: MS Contin, Astramorph, Depodur, Duramorph, Infumorph, Kadian, MorphaBond, and Arymo ER.

When should you not give morphine?

[10] Other effects include euphoria, dysphoria, agitation, dry mouth, anorexia, and biliary tract spasm, which is why some physicians will avoid morphine when patients present with right upper quadrant pain and they suspect possible biliary tract pathology.

How does morphine work in the body?

How does morphine work? Morphine works directly on opioid receptors in the central nervous system, and reduces feelings of pain by interrupting the way nerves signal pain between the brain and the body. It is available in tablet, capsule, granule, oral liquid and injection formulations.