@beva
Which SSRI were you on, what dosage and for how long were you on it? I understand there is a link between the brain and gut and this may be why you are having gastrointestinal problems. Have you tried taking a probiotic?

How long have you been on Entyvio? One of the side effects is nausea.

1. https://www.healthline.com/health/drugs/entyvio-side-effects
2. https://www.medicalnewstoday.com/articles/drugs-entyvio-side-effects
3. https://resources.healthgrades.com/drugs/entyvio-side-effects
4. https://www.verywellmind.com/ssri-discontinuation-syndrome-378682
5. https://www.health.harvard.edu/diseases-and-conditions/going-off-antidepressants
6. https://psychcentral.com/lib/ssri-discontinuation-or-withdrawal-syndrome
7. https://www.mayoclinic.org/diseases-conditions/depression/expert-answers/antidepressant-withdrawal/faq-20058133
8. https://psychiatryresource.com/articles/antidepressant-serotonin-withdrawal-symptoms