Definition of "hydromorphone" [hydromorphone]

• A synthetic narcotic analgesic, (4,5 alpha-epoxy-3-hydroxy-17-methyl morphinan-6-one), similar to morphine and heroin. It is used for moderate to severe pain under the trade name Dilaudid. (noun)

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• "An additional 25 received injections of a prescription painkiller called hydromorphone, or Dilaudid, although they didn't know it."
• "The official cause of death is an overdose of hydromorphone, which is a powerful prescription pain killer."
• "Bradley Williams, a professor of clinical pharmacy and gerontology at the University of Southern California, called hydromorphone three to five times more potent than morphine."