Https://medixway.com/pain-relief/demerol/ A drug used to treat moderate to severe pain. Demerol works by binding to opioid receptors, such as the mu opioid receptor, in the central nervous system. This blocks pain signals and changes how the body responds to pain. Demerol is a type of synthetic opioid agonist that works as an analgesic (pain reliever). Also called meperidine hydroc... https://medixway.com/pain-relief/demerol/