UTI including cystitis, URTI, sepsis; anemia, eosinophilia, thrombocytopenia; anaphylactic reaction, hypersensitivity; hyperkalemia, hypoglycemia (in diabetic patients); anxiety, insomnia, depression; syncope; visual disturbance; vertigo; bradycardia, tachycardia; hypotension, orthostatic hypotension; dyspnea; abdominal pain, diarrhea, dry mouth, dyspepsia, flatulence, stomach discomfort, vomiting; abnormal hepatic function/liver disorder; pruritus, hyperhidrosis, rash, angioedema (w/ fatal outcome), eczema, erythema, urticaria, drug eruption, toxic skin eruption; back pain, muscle spasms, myalgia, arthralgia, pain in extremity (leg pain), tendon pain (tendinitis like symptoms); renal impairment including renal failure; chest pain, flu-like illness, asthenia; increased blood creatinine, blood uric, hepatic enzymes & blood creatine phosphokinase, decreased Hb.