A soy allergy is an immune reaction to soybean proteins. Many
babies who are allergic to cow’s milk will also react to soy-
based formulas. Symptoms of soy allergy: The symptoms of soy
allergy can be divided into 3 categories: - Gastrointestinal –
loose stools or diarrhea, vomiting, stomach pain - Respiratory –
cough, wheeze, asthma, rhinitis (stuffy or runny nose) - Skin –
hives, swelling, eczema Anaphylaxis is the most severe allergic
reaction, involving every above organ system. It can lead to
anaphylactic shock and death. Anaphylaxis due to soy allergy is
rare. The soy-free diet: Following a soy-free diet requires the
elimination of the following types of foods: - Soy sauce - Soy
flour - Many milk substitutes - For a more detailed list, read
the Soy-Free Guide Soy oil and soy lecithin may not contain any
or enough soy protein to cause a reaction, and therefore may be
tolerated by soy-allergic individuals. However, products can
also be contaminated with soy protein during processing, so a
highly sensitive p