1. Symptoms of egg white allergy in babies 1.1 Skin symptoms The most common symptoms of egg white allergy in babies are skin symptoms, such as eczema, urticaria, etc. Eczema is a common skin problem characterized by dry, red, flaky skin and the appearance of small blisters. Urticaria is an acute allergic reaction characterized by the appearance of red patches and blisters, accompanied by an intense scratching sensation. 1.2 Respiratory symptoms: Some babies will develop respiratory problems after eating egg whites, such as wheezing, shortness of breath, etc.