Well, yes, food allergies can lead to swelling eyes. Generally speaking, food allergies happen everywhere and it can be dangerous. And if you have suffered food allergies, your body will be affected. You should know that it can lead to red eyes, watery eyes, even puffy eyes. At that moment, we can say that it can disorder your eyes, and in some cases, it can lead to swelling eyes. So it can just make your eyes look puffy. Anyway, it can be annoying. Besides, food allergies can cause many signs and symptoms, which could be triggered by ingestion, inhalation. If the symptom is too serious, you should go and see a doctor as soon as possible.