 [ Symptoms ] after being sick i feel like i have hair stuck in my throat and i have a tiny knot under my chin what could this be  ii was sick 4 weeks ago with coldsinus issues but it cleared up i feel like i constantly have to clear my throat and brush my teeth nothing makes the feeling in the back of my throat go away [ Disease ] hi gastric sleeve complications are related to the doctor experience and the condition of surgery room complications can be infection or internal bleeding life threatening complications if your sure doctor is good and hospital is well equipped then go ahead if not i recommend not doing it good luck