Hypoglycemia (based on all reports of symptomatic hypoglycemia, concurrent glucose measurement was not required); abdominal pain, nausea, vomiting, diarrhea, dyspepsia, flatulence; hypersensitivity reactions; exfoliative skin conditions including Stevens-Johnson syndrome; influenza, headache, cutaneous vasculitis, acute pancreatitis. Worsening renal function. Upper respiratory tract infection, nasopharyngitis, constipation, headache.