<prompt> Monotherapy with which of the following antidiabetic drug can cause hypoglycemia?MetforminGliclazidePiogiltazoneAll of the above  <response>: Gliclazide belongs to sulphonyluread. It has higher incidence of hypoglycemia. metformin and glitazones- no hypoglycemia risk REF.Essential of medical pharmacology K D TRIPATHI 6 Edition, Page No - 268 