The white of the eyes may appear pinkish or red from dilated blood vessels. Flushing Cheeks and ears may flush, appearing bright red to crimson. Sometimes only one ear will flush, like a warning light. The ear, nose, and throat are the most common target organs for food allergens. Milk, wheat, and egg white allergy are the most common cause of respiratory symptoms, but any food allergy can do this.
Nosebleeds are common in food allergy.
The bleeding usually originates from the front of the nose and is controlled by pinching both nostrils together for several minutes. It is not surprising then to find the tonsils and adenoids enlarged in an allergic child. This lymphatic tissue is typically enlarged with food allergy and may swell dramatically to mark a food reaction. This swelling is often attributed to infection - either bacterial or viral. The allergic origin of the lymphatic enlargement becomes more apparent after repeated or prolonged episodes.