title: Antibiotic-associated pseudomembranous colitis.
abstract: Two cases of pseudomembranous colitis, one associated with administration of ampicillin and the other associated with administration of ampicillin and trimethoprim-sulfamethoxazole, are reported. Both patients presented with diarrhea, abdominal pain, fever and an elevated leukocyte count. Pseudomembranous colitis was diagnosed by sigmoidoscopy and biopsy. Both patients recovered with conservative management.
mesh_terms: D000667:Ampicillin / Q000009:adverse effects*; D004359:Drug Therapy, Combination; D004761:Enterocolitis, Pseudomembranous / Q000139:chemically induced*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013420:Sulfamethoxazole / Q000009:adverse effects*; D014295:Trimethoprim / Q000009:adverse effects*
chemical_list: D000667:Ampicillin; D014295:Trimethoprim; D013420:Sulfamethoxazole