title: Problems with IM meperidine (Demerol).
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002490:Central Nervous System / Q000187:drug effects*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008614:Meperidine / Q000009:adverse effects*; D008875:Middle Aged; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D008614:Meperidine