Food Allergy
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Food Allergy

Almost any food can cause an allergic reaction, but eight foods (milk, eggs, peanuts, tree nuts, fish, shellfish, soy, and wheat) account for 90% of all reactions.

Understanding Food Allergy

A food allergy is an immune system reaction that occurs soon after eating a certain food. Even a tiny amount of the allergy-causing food can trigger signs and symptoms.

Key Fact: Almost any food can cause an allergic reaction, but eight foods (milk, eggs, peanuts, tree nuts, fish, shellfish, soy, and wheat) account for 90% of all reactions.

Common Symptoms

Hives

Itchy, red skin rashes or wheals that appear suddenly.

Swelling

Swelling of the lips, face, tongue, and throat that can interfere with breathing.

Gastrointestinal Distress

Abdominal pain, diarrhea, nausea, or vomiting shortly after ingestion.

Anaphylaxis

A severe, life-threatening allergic reaction requiring immediate emergency care.

Risk Factors

  • Family history of allergies
  • Other allergic conditions (asthma, eczema)
  • Age (more common in children)
  • Previous allergic reactions

Diagnosis & Treatment

Diagnosis

Diagnosis involves careful review of your symptoms and identifying the specific allergens.

Skin Prick Test Blood Test (IgE) Oral Food Challenge Elimination Diet

Common Treatments

  • Allergen Avoidance: Strictly avoiding the food triggers through careful label reading and questioning.
  • Epinephrine Injectors: Carrying an EpiPen for emergency treatment of severe reactions.
  • Antihistamines: Medicines that can help relieve mild symptoms like itching or hives.