First-dose hypotension, angioedema, hyperkalaemia, dyspepsia, muscle cramp, myalgia, dizziness, insomnia, nasal congestion, cough, upper resp infection, sinusitis, asthenia, oedema, abdominal pain, chest pain, nausea, headache, pharyngitis, superficial peeling of palms and haemolysis, renal impairment, pancytopaenia, haemolytic anaemia, thrombocytopaenia, increase in BUN and serum creatinine, angioneurotic oedema, cough, arthralgia, fever, impotence, increased sweating, malaise, wt gain, rash.