Teething can be a very uncomfortable time for baby and if it is accompanied by vomiting it is certainly can make you wonder if something is wrong. However, research shows that vomiting is not a typical symptom of teething.
– Vomiting is typically caused by a bacterial or viral infection, like the flu.
– Vomiting can be caused by a food intolerance or allergy.
– If vomiting persists, talk to your doctor right away.
“Many people believe that vomiting while teething is normal. However, most experts now agree that teething does not cause generalized symptoms, such as vomiting, fever, rash, and diarrhoea.”
There’s loads more information in this article here: https://www.medicalnewstoday.com/articles/322987.php