Diarrhea, dyspepsia/heartburn, fatigue. Hyperkalemia, dizziness, orthostatic dizziness, orthostatic hypotension. Neutropenia, thrombocytopenia; hypersensitivity reactions eg, rash, urticaria, angioedema; headache, vertigo; tinnitus; tachycardia; edema; cough; dysgeusia, GI disturbances, nausea, vomiting; abnormal liver function, hepatitis, jaundice; leukocytoclastic vasculitis, pruritus; arthralgia, back pain, muscle cramps, musculoskeletal pain, myalgia (in some cases associated w/ increased plasma creatine kinase level), rhabdomyolysis; impaired renal function including cases of renal failure; sexual dysfunction; asthenia, chest pain; decrease in Hb; increase in LFTs, BUN, serum creatinine, plasma creatine kinase.