Why not? Is your mom on some medication for her diabetes? Some of the medicines for type 2 diabetes are known to cause hypoglycemia or low blood sugars. Glipizide and glyburide tablets can cause hypoglycemia. Whereas the metformin (brand name Glucophage) cannot.Hypoglycemia can happen suddenly to anyone though. It is usually a mild thing and can be treated quickly and easily by eating or drinking a small amount of glucose-rich food. If it is left untreated, it can get worse and cause confusion, clumsiness, or even fainting.