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n. A narcotic analgesic used in combination with other drugs before, during, or following surgery and also for chronic pain management.

n. A particular narcotic painkiller.

n. trade names of a narcotic analgesic that can be inhaled and that acts on the central nervous system and may become addictive; used as a veterinary anesthetic and with other drugs before, during, and after surgery; also used as a nonlethal gas to incapacitate people in hostage situations; also abused as a recreational drug

"Onsolis is an opioid called fentanyl, which is often given as a patch to help manage severe pain."

painkiller    pain pill    analgesic    opiate    anodyne   

enkephalin    methadone    pralidoxime    conium    antiasthmatic