UTI, upper resp tract infections, anaemia, hyperkalaemia, insomnia, depression, syncope, vertigo, bradycardia, hypotension, orthostatic hypotension, dyspnoea, cough, abdominal pain, diarrhoea, dyspepsia, flatulence, vomiting, hyperhidrosis, pruritus, rash, back & chest pain, muscle spasms, myalgia, renal impairment, asthenia, increased blood creatinine.