You should be able to start eating and drinking normally about 2 - 3 days after the surgery. How long you stay in the hospital depends on the severity of the problem. Complete recovery usually takes about 4 weeks.
Martin RS, Meredith JW. Management of acute trauma. In: Townsend CM Jr, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery. 19th ed. Philadelphia, Pa: Saunders Elsevier; 2012:chap 18.
Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington. Ann Rogers, MD, Associate Professor of Surgery; Director, Penn State Surgical Weight Loss Program, Penn State Milton S. Hershey Medical Center. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.