Entyvio (also know as vedolizumab) reduces the impact of substances in the body that can result in irritation. Entyvio is utilized in adults with moderate to extreme ulcerative colitis (UC), or moderate to serious Crohn's Disease. Entyvio may help keep UC or Crohn's side effects under control for the long term. Entyvio might likewise decrease the requirement for steroid drugs in serving to control symptoms long term. Entyvio is given after different prescriptions have been attempted without results.