INS and Hypoglycemia: From another once-daily insulin glargine 100 U/mL or once-daily NPH: continue same dose and timing of daily injectionFrom once-daily insulin glargine 300 U/mL or twice-daily NPH: use 80% dose initially to reduce hypoglycemia riskFrom another intermediate or long-acting insulin: dose adjustment may be needed and shorter-acting insulins and doses of any other glucose-lowering drugs may need to be adjusted