Soy allergy symptoms vary from person to person, but most reactions are stomach or skin related. A soy allergy is a hypersensitivity to the proteins found in soy, according to Lucile Packard Children’s Hospital. If you’re allergic to soy beans, you have a greater chance of being allergic to other legumes, such as chickpeas. A soy intolerance may give you symptoms over the course of several days. A person is most likely to get affected by soy allergy when the immune system mistakes soy as an outsider and releases antibodies, next time when the person consumes soy the immune system releases histamine which in turn causes allergic reactions. There is no single method to identify the presence of soy allergy in babies. Elimination diet test: The doctor will suggest eliminating the suspected food item from the baby’s diet.For instance, if the baby consumes soy-based infant formula, then the doctor may suggest you to replace it with a standard formula. Soy Allergy If all you needed to do for a soy allergy was skip the soy sauce and tofu, life would be a breeze! A food intolerance test for IgG can also help you find out if you have that sensitivity. Reactions can also range from mild to severe, including the life-threatening reaction anaphylaxis. Make sure you and your doctor can identify whether you have a soy allergy or intolerance. If you experience allergy symptoms after eating soy lecithin, it is related to the proteins found in soy beans. When you eat soy-based products, your immune system overreacts to the soy protein and begins to attack it. 3-5 Symptoms can range from a mild runny nose to the life threatening symptoms of … Talk with your doctor if you suspect that you’re allergic to chickpeas and soy … A soy allergy will create an immediate and potentially life-threatening allergic response. But soybeans are a big part of processed foods, too. Soy Allergy. Diagnosis And Tests. Symptoms of a chickpea or soy allergy are similar, but may develop in various degrees of severity in each person. Symptoms Of Soy Allergy. Nut allergy symptoms usually develop rapidly after a person eats or has exposure to nuts. Symptoms of a soy allergy may be limited to one area of the body or may involve many areas. Soy intolerance symptoms, such as nausea, pain and gas, occur when soy isn't digested properly. An immune response causes soy allergy gastrointestinal symptoms. Mentioned below are the symptoms of soy allergy The doctor might employ the following methods .. They can include flushing and/or itching skin, swelling lips and/or tongue, wheezing, shortness of breath, hoarseness or tightness in the throat, nausea and vomiting, colic, abdominal cramps and diarrhea.