What is Food Hypersensitivity?


Food allergies are immune system reactions that occur shortly after consuming a specific food. Even a trace amount of the allergy-causing food can cause symptoms such as digestive issues, hives, or swollen airways. A food allergy can cause severe symptoms or even a life-threatening reaction is known as anaphylaxis in some people. Food allergies affect up to 4% of children under the age of five and up to 8% of adults. While there is no cure for food allergies, some children outgrow them as they grow older. A food allergy is easily confused with a much more common reaction known as food intolerance. Food intolerance, while annoying, is a less serious condition that does not involve the immune system.

The most common signs of food hypersensitivity include: 
  • Itching or tingling sensation in the mouth
  • Itching, Eczema or hives
  • Throat swelling, Lip, face, and tongue as well as swelling in other parts of the body
  • Wheezing, nasal congestion, or breathing difficulties
  • Pain in the diarrhea, nausea, or vomiting
  • Feeling dizzy, lightheaded, or fainting
Food hypersensitivity can cause a severe allergic reaction called as anaphylaxis in some people. This can result in life-threatening signs and symptoms such as:
  • Airway constriction and tightening
  • A swollen throat or the sensation of a lump in your throat that makes breathing difficult
  • Shock with a significant drop in blood pressure
  • A quick pulse
  • Dizziness, lightheadedness or loss of consciousness



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