Proteinuria, hematuria; myalgia, myopathy & rare rhabdomyolysis; dose-dependent elevation of transaminase; sexual dysfunction, interstitial pulmonary disease especially those receiving long-term treatment. Hyperglycemia, abnormal glucose tolerance, elevated glycosylated Hb level, new onset diabetes & deterioration of blood glucose control; cognitive impairment manifested as memory loss/decline, thinking confusion (mostly non-serious & reversible).