Itching or Tingly Sensation in the Mouth
One of the primary symptoms of a soybean allergy is feeling an itching or tingling sensation in the mouth shortly after eating soy or foods containing soy products. The reaction can sometimes extend to the lips and throat.
Skin Rash or Hives
Commonly, an allergic reaction to soybeans can lead to a skin rash or hives, which is characterized by red, itchy, raised bumps on the skin. Urticaria or hives may appear anywhere on the body and often start within an hour of eating soy-containing products.
Abdominal Pain
Abdominal pain is another key symptom of a soybean allergy. After eating soy or soy products, the individual may suffer from severe pain, discomfort, or cramps in the lower abdominal area.
Difficulty Breathing
When an individual with a soy allergy consumes soy, they may experience difficulty in breathing. This can include a tightness in the throat, shortness of breath, or even anaphylaxis in severe cases which requires immediate medical attention.
Nausea and Vomiting
Nausea and vomiting are also common manifestations of a soy allergy. The digestive system reacts adversely to the allergen, leading to feelings of nausea which can result in vomiting.
Runny Nose or Sneezing
Another symptom of a soybean allergy is the onset of a runny nose or sneezing. These symptoms occur as part of the body's immune system response to expel the soy allergens through the nasal passageways.
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