title: Tramadol: respiratory depression in a child.
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects*; D002675:Child, Preschool; D019389:Cytochrome P-450 CYP2D6 / Q000378:metabolism; D006801:Humans; D008297:Male; D012131:Respiratory Insufficiency / Q000139:chemically induced*; D014147:Tramadol / Q000009:adverse effects*
chemical_list: D000701:Analgesics, Opioid; D014147:Tramadol; D019389:Cytochrome P-450 CYP2D6