<prompt> Cytoprotective drug in peptic ulcer is -OmeprazoleRanitidineMagnesium hydroxideSucralfate  <response>: Davidson;s principles and practice of medicine 22nd edition. it is ulcer protective polymerase at pH less than 4 assuming a sticky cell like consistency. It acts as a physical barrier preventing acid,peptin and bile from coming in contact with ulcer base. 