3d image of hydromorphone skeletal formula

hydromorphone dihydromorphinone opioid pain sedation sedative calming anesthesia muscle relaxation analgesia analgesic pain relief anesthetic cancer abuse low blood pressure seizures respiratory depression serotonin syndrome opioid withdrawal receptors morphine generic medication injection urinary retention bronchospasm circulatory hormone imbalance neurotoxicity drug treatment side effect adverse action iatrogenic overdose contraindications interaction molecule molecular formula skeletal structural structure 3d