If you suffer from seasonal allergies, your mouth or throat may become itchy after eating certain raw fruits, vegetables or other plant-based foods. This reaction occurs because the proteins found in these plant-based foods are very similar to those found in pollen. This confuses the immune system and can cause a cross-reaction resulting in oral allergy syndrome. This is a form of contact allergic reaction causing itchiness or swelling of the mouth, face, lip, tongue and throat usually immediate...