Entyvio is used to treat ulcerative colitis and Crohn’s disease. Learn about Entyvio's common, mild, and serious side effects and how to manage them., Find patient medical information for Entyvio (vedolizumab) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings, Common Entyvio side effects include mild to moderate infection, headache and other flu-like symptoms, and joint pain. In rare cases, Entyvio can cause severe, life-threatening infections, anaphylaxis, or liver problems., Common Entyvio side effects include cold-like symptoms, headaches, joint pain, nausea, and fever, which are typically mild and temporary., Entyvio (Vedolizumab for Injection, for Intravenous Use ) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources., Entyvio is used to treat ulcerative colitis and Crohn's disease. Learn about its more common, mild, and serious side effects and how to manage them..