Vomiting, diarrhea, GI pain, nausea, dyspepsia, abdominal cramps & distention, bloating; tiredness, malaise; dizziness, headache, drowsiness, insomnia & throbbing pulsation; angioneurotic edema, rash, pruritus & urticaria; SJS; vasodilation, postural hypotension, tachycardia & ventricular extrasystoles; dyspnea, asthma, bronchospasms.