Pseudomembranous colitis, enterocolitis
Agranulocytosis
Seizure
Interstitial nephritis
Stridor
Anaphylaxis
Rash, urticaria
Diarrhea, nausea
Fever
Oral candidiasis
Stomatitis, glossitis
Anemia/hemolytic anemia, leukopenia, thrombocytopenia, eosinophilia
Serum sickness like reaction
Elevated AST
Erythema multiforme
Ampicillin
Meropenem
Oxacillin
Cefotaxime
Vancomycin
Erythromycin
Piperacillin
Tetracycline