The use of Entyvio (generic name: vedolizumab) is not recommended in patients with an active, severe infection until the infection is controlled. Your doctor may consider withholding your Entyvio treatment if you develop a severe infection while on treatment with Entyvio. Your doctor will be able to best decide if you need to take an antibiotic or stop Entyvio treatment. Do not stop taking Entyvio without speaking to your doctor.