Hypersensitivity. Dryness & burning sensation in vag; itches, urticaria, pruritus, erythema multiforme, angioedema & anaphylactic reaction; nausea, metal taste accompanied by vomiting & anorexia; diarrhea, dry mouth, furred tongue, glossitis, stomatitis; colitis pseudomembrane; peripheral neuropathy; leukopenia & thrombocytopenia.