<prompt> Cracked nipple may be-Due to syphilitic chancreCause of retention cystPagets disease of nippleForerunner of breast abscess  <response>: This may occur during lactation and be the forerunner of acute infective mastitis. If the nipple becomes cracked during lactation, it should be rested for 2448 hours and the breast should be emptied with a breast pump. Feeding should be resumed as soon as possible. 