Diarrhea, nausea, vomiting, indigestion, pseudomembranous colitis, candidiasis, hepatitis, cholestatic jaundice, urticarial & erythematous rashes, erythema multiforme, SJS, TEN, exfoliative dermatitis, angioedema, anaphylaxis, interstitial nephritis, transient leucopenia, thrombocytopenia & hemolytic anemia.