[Delayed action and rapidly effective in combination. Hydromorphone--already a WHO stage 3 drug].
D000701:Analgesics, Opioid / Q000008:administration & dosage* / Q000009:adverse effects; D003692:Delayed-Action Preparations; D004305:Dose-Response Relationship, Drug; D004334:Drug Administration Schedule; D004347:Drug Interactions; D006801:Humans; D004091:Hydromorphone / Q000008:administration & dosage* / Q000009:adverse effects; D009369:Neoplasms / Q000503:physiopathology*; D010146:Pain / Q000188:drug therapy*
D000701:Analgesics, Opioid; D003692:Delayed-Action Preparations; D004091:Hydromorphone