Soy Allergy



Allergy against the soybean product, soybean, is common in food allergies. Frequently, soy allergy begins in infancy and responds to soy-based infant formulas. Most children pass allergy to soybeans, but some people bring allergy to adults.

Mild signs and symptoms of soy allergy include urticaria or itching in and around the mouth. Rarely, soy allergy can cause life-threatening allergic reactions (anaphylaxis).

If you or your child reacts to soybeans, please inform the doctor.The test helps confirm soy allergy.

Having soy allergy means to avoid products containing soybeans, which can be difficult. Many foods such as meat products, bakery products, chocolate, breakfast cereals, etc. may contain soybeans.


For most people, soy allergy is not uncomfortable, but it is not a serious one. On rare occasions, allergic reactions to soybeans are horrible and even life threatening. Signs and symptoms of food allergy usually develop within minutes to hours after ingesting foods containing allergens.

For symptoms of soy allergy,

  • Achive in the mouth
  • Honey; itching; itching, scaly skin (eczema)
  • Swelling of lips, face, tongue, throat, or other body parts
  • Wheezing, runny nose or dyspnea
  • Abdominal pain, diarrhea, nausea or vomiting
  • Skin redness (flushing)

A severe allergic reaction (anaphylaxis) is rare in soy allergy.People with asthma and those who are allergic to other foods such as peanuts in addition to soybeans are more likely to occur.

Anaphylaxis causes more extreme signs and symptoms including:

  • Dyspnea due to swelling of the throat
  • Shock, severe drop in blood pressure
  • Rapid pulse
  • Dizziness, dizziness, loss of consciousness

When going to see a doctor

If you experience symptoms of food allergy immediately after a meal please consult your doctor or primary care doctor specializing in the treatment of allergy (allergy). If possible, please consult your doctor during an allergic reaction.

If symptoms or symptoms of anaphylaxis like the following appear, please receive emergency treatment.

  • Dyspnea
  • Rapid and weak pulse
  • Dizziness and dizziness
  • I can not swallow with erosion
  • Redness and warmth of the whole body (flushing)


The immune system reaction causes food allergy. In soy allergy, your immune system identifies a particular soy protein as harmful and triggers the production of immunoglobulin E (IgE) antibodies against soy protein (allergen). Next, upon contact with soybeans, these IgE antibodies recognize it and send a signal to release the histamine and other chemicals into the bloodstream into the immune system.

Histamine and other body chemicals cause a range of signs and symptoms of allergy. Histamine is part of most allergic reactions including runny nose, itching eyes, dry throat, rash and urticaria, nausea, diarrhea, difficult breathing and anaphylactic shock.

Food protein induced enteritis syndrome (FPIES)

Food allergens are also sometimes called delayed food allergies. Sometimes foods are triggered, but soybeans are the most common. The reaction is generally vomiting and diarrhea, usually occurring within hours after eating a trigger rather than minutes.

Unlike some food allergies, FPIES usually resolves over time.As with typical soy allergy, preventing reactions involves avoiding food in soy.

Risk Factors

Certain factors may increase the risk of developing soy allergy.

Family history.

If you have other allergies such as hay fever, asthma, urticaria and eczema common to your family, the risk of allergy to soy and other foods will be high.


Soy allergy is the most common in children, especially infants and young children.

Other allergies.

In some cases, people allergic to wheat, pulses (beans), milk and other foods may cause allergic reactions to soybeans.

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