title: A 14-year-old with rectal bleeding and abdominal pain.
authors.affiliation: Department of Pediatrics, LSU Health Sciences Center, Shreveport, LA, USA.
authors.forename: Rohit
authors.initials: R
authors.lastname: Gupta
authors.forename: Greg
authors.initials: G
authors.lastname: Wellman
authors.forename: Sunny Z
authors.initials: SZ
authors.lastname: Hussain
mesh_terms: D015746:Abdominal Pain / Q000209:etiology / Q000382:microbiology / Q000473:pathology*; D000293:Adolescent; D017400:Brachyspira / Q000187:drug effects; D003113:Colonoscopy / Q000379:methods; D004917:Erythromycin / Q000627:therapeutic use; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology / Q000382:microbiology; D016905:Gram-Negative Bacterial Infections / Q000175:diagnosis* / Q000188:drug therapy; D006801:Humans; D008795:Metronidazole / Q000627:therapeutic use; D012007:Rectum / Q000473:pathology*
chemical_list: D008795:Metronidazole; D004917:Erythromycin