"Why does my nose run when I eat? It fills up with mucus as soon as I eat something, and it's been happening for about a year now."

It is possible that your runny nose while eating is due to a phenomenon called gustatory rhinitis, where ingesting certain foods triggers a nasal response. Spicy foods are common triggers, but it can also be caused by other substances like coffee, tea, chocolate, or acidic foods. Keeping a food and symptom journal can help identify what may be causing your rhinitis. In some cases, treatment with a nasal spray may be prescribed. If you have any further questions, don't hesitate to ask.