Anaphylactoid reactions; symptomatic hypotension, syncope, palpitations; cough; pancytopenia, hemolytic anemia, thrombocytopenia; increase in BUN & serum creatinine, acute renal failure; angioneurotic edema; hepatic failure, hepatitis, jaundice, pancreatitis, abdominal pain, anorexia, constipation, diarrhea, dry mouth, dyspepsia, dysphagia, gastroenteritis, increased salivation & taste disturbance, nausea & vomiting; apparent hypersensitivity reactions (manifested by urticarial, pruritus, or rash, w/ or w/o fever), photosensitivity, purpura, onycholysis, pemphigus, pemphigoid, erythema multiforme, toxic epidermal necrolysis & Stevens-Johnson syndrome; anxiety, amnesia, convulsions, depression, hearing loss, insomnia, nervousness, neuralgia, neuropathy, paresthesia, somnolence, tinnitus, tremor, vertigo & vision disturbances, dizziness, headache; +ve ANA, elevated erythrocyte sedimentation rate, arthralgia/arthritis, fever, vasculitis, eosinophilia, rash & other dermatologic manifestations; dyspnea, edema, epistaxis, impotence, increased sweating, malaise, myalgia, wt gain.