Gastric pain, diarrhea, nausea, vomiting, abdominal cramps, dyspepsia, dizziness, headache, vertigo, tinnitus, urticaria, eczema, erythema multiforme, kidney function impairment; increased SGOT& SGPT, hepatitis (rare); thrombocytopenia, leucopenia, anemia, agranulocytosis (very rare), edema (rare), impotence, palpitation, chest pain, HTN.