Corn Allergy: What Are the Symptoms

What are the symptoms of corn allergy?

The most common symptom of corn allergy is hives. Other symptoms include wheezing, shortness of breath, coughing up blood, swelling in your throat and chest, difficulty swallowing or breathing, skin rashes such as blisters and bumps and sometimes even death.

How do I know if my child has a food allergy?

A doctor will test for allergies to foods at birth. If the baby tests positive for one food then it means there is a small chance that the baby may have a food allergy. However, only 1 out of every 100 babies tested actually has a food allergy. So don’t worry too much!

What are some signs of corn allergy?

There are many different symptoms associated with corn allergy. Here are some examples:

Blistering (hives) on your hands and feet, especially around your mouth and nose.

Coughing up blood.

Hives all over your body. You might also experience them on your face, neck, arms and legs.

Wheezing or having trouble breathing. Sometimes you might not be able to breathe at all due to the allergic reaction.

 You might also experience these symptoms when eating corn: Blisters appear on your lips, tongue and inside your cheeks. Your throat may close up and you may start to choke. You might have a swollen tongue, mouth or throat.

Difficulty swallowing.

Nausea and vomiting.

What should I do if I think I have a corn allergy?

Because there are many symptoms of a corn allergy it is important that you see an allergist. The doctor will do blood work and a skin test to see if you are allergic to corn. Since the symptoms of a corn allergy are similar to other allergies and medical problems, it is important that a doctor diagnose your condition.

You should carry an epinephrine pen with you at all times. An epinephrine pen (sometimes called an Epi-pen) is a portable device used to treat life-threatening allergic reactions.

What Else Should I know about Corn Allergy?

It is very important to always check labels when buying food. Sometimes corn shows up in foods you would not expect such as marinara sauce and fish sticks!

You can substitute ingredients in recipes that contain corn. For example, you can use soy milk in place of regular milk. You can also use vegetable oil instead of corn oil.

It is very important to be careful when eating certain foods because they might contain corn. Some foods that contain corn that you should be careful with are:

Cereals Candy Crackers (crisps) Cookies Ice cream Jams and jellies Pasta Salad dressing

I hope this information helps you understand corn allergy. For additional information, talk to your doctor.

Sources & references used in this article:

IgE‐mediated allergy to corn: a 50 kDa protein, belonging to the Reduced Soluble Proteins, is a major allergen by G Pasini, B Simonato, A Curioni, S Vincenzi… – Allergy, 2002 – Wiley Online Library

Allergy for corn and its derivatives: experiments with a masked ingestion test for its diagnosis by MH Loveless – Journal of Allergy, 1950 –

ELISA method for monitoring human serum IgE specific for Cry1Ab introduced into genetically modified corn by O Nakajima, R Teshima, K Takagi, H Okunuki… – Regulatory Toxicology …, 2007 – Elsevier