3d image of pethidine skeletal formula

pethidine meperidine synthetic opioid pain medication phenylpiperidine anticholinergic analgesic serotonin syndrome agonist m-opioid receptor k-opioid receptors local anesthetic sodium ion channels dopamine transporter norepinephrine neurotransmitters rendering sedation sedative calming anesthesia muscle relaxation analgesia pain relief drug side effect adverse action iatrogenic overdose contraindications