Adverse events should be reported. In the United Kingdom, reporting forms and information can be found at

Adverse events should also be reported to Takeda on 01628 537900 or e-mail

If you have been prescribed Entyvio and get any side effects, talk to your doctor, pharmacist or nurse.
This includes any possible side effects not listed within this website or in the Patient Information Leaflet for Entyvio.

This medicine is subject to additional monitoring. This will allow quick identification of new safety information. You can help by reporting any side effects you may get. See for how to report side effects.