Symptoms

A child or adult with wheat allergy is likely to develop signs and symptoms within minutes to hours after eating something containing wheat. Wheat allergy signs and symptoms include:

• Swelling, itching or irritation of the mouth or throat
• Hives, itchy rash or swelling of the skin
• Nasal congestion
• Headache
• Difficulty breathing
• Cramps, nausea or vomiting
• Diarrhea
• Anaphylaxis

Anaphylaxis

For some people, wheat allergy may cause a life-threatening reaction called anaphylaxis. In addition to other signs and symptoms of wheat allergy, anaphylaxis may cause:

• Swelling or tightness of the throat
• Chest pain or tightness
• Severe difficulty breathing
• Trouble swallowing
• Pale, blue skin color
• Dizziness or fainting

When to see a doctor

If someone shows signs of anaphylaxis, call 911 or your local emergency number. Anaphylaxis is a medical emergency that requires immediate care.

If you suspect that you or your child is allergic to wheat or another food, see your doctor.