If any of the following occur, call your doctor:Signs of infection, including fever and chillsAny redness, swelling, bleeding, or drainage from the incision siteYour bandage becomes soaked with bloodStitches or staples come apartPersistent nausea and/or vomitingPersistent abdominal pain or bloatingConstipation or diarrheaRectal bleeding or tarry-colored stoolsPain that you cannot control with the