Penicillin allergy with positive skin test to cephalosporin alone.
D000667:Ampicillin / Q000009:adverse effects*; D002506:Cephalexin / Q000009:adverse effects*; D004342:Drug Hypersensitivity / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008875:Middle Aged; D012882:Skin Tests
D000667:Ampicillin; D002506:Cephalexin