title: The risk of cross-sensitive drug reactions.
mesh_terms: D002506:Cephalexin / Q000009:adverse effects*; D003429:Cross Reactions; D004342:Drug Hypersensitivity / Q000209:etiology* / Q000276:immunology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010353:Patient Education as Topic; D010406:Penicillins / Q000009:adverse effects*
chemical_list: D010406:Penicillins; D002506:Cephalexin