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Corn allergy is a rare condition but the reactions are very rapid and severe. Therefore, if you have hives or skin rash, nausea, vomiting... after eating corn, it is best to see a doctor for advice.
1. Is there an allergy to eating corn?
Although a common food, corn is less likely to cause allergies than other foods such as: Peanuts, walnuts, almonds, milk, soy, fish, shellfish or egg.
The cause of corn allergy is because the body misunderstands the ingredients in corn to be harmful to the body, the immune system will react, leading to some symptoms such as:
Hives or skin rash; Nausea, vomiting; Abdominal pain , cramps , diarrhea ; Runny or stuffy nose; Sneezing; Asthma ; More dangerous is anaphylaxis, death.
2. How is corn allergy diagnosed?
Although a corn allergy is rare, the reactions are quick and severe. Therefore, if you have the above symptoms after eating corn, it is best to see a doctor for advice.
To diagnose a corn allergy, your doctor will ask what you ate? How are the reactions? What is your health status and is there a family history of food allergies? These questions are intended to rule out other health problems that may cause a similar reaction.
Then your doctor will do a common test for food allergies, called a skin prick test or scratch test. This test is done as follows:
Step 1: Put a solution with a small amount of corn kernels on your arm or back. Step 2: The doctor will prick or scratch your skin a little so that the solution is under the skin. This test feels like a scratch on a nail and won't hurt or bleed. Step 3: If the swelling appears on the scratched area, it means you have a corn allergy. In addition to the scratch test, another method to check if you are allergic to corn is the diet. Stay away from corn and corn products for a few weeks and see if your symptoms go away.
Để xác định ăn ngô có dị ứng không. bác sĩ sẽ chẩn đoán lâm sàng và xét nghiệm
3. Corn allergy prevention and treatment
When you have a corn allergy, your doctor may give you an antihistamine to treat mild symptoms. Also, it is recommended that you carry a medicine called epinephrine with you at all times, just in case there is a bad reaction.
Regarding the prevention of corn allergy, it is best not to eat foods containing this ingredient, for example: Cold cuts, cereals, jams, snacks, breads, salad dressings, fruits and vegetables. canned juice, yogurt, cheese, soda...
In addition to food, corn is also found in toothpaste, shampoo, vitamins, makeup, crayons, pet food, pants clothing, paint and dish soap. So check food labels carefully before using.
However, it is very difficult to completely prevent the factors that cause corn allergy. Therefore, to limit this situation, you should:
When participating in picnics and parties, you should bring your own food. Wear a medical alert bracelet that indicates you have a food allergy. If your child has a corn allergy, notify the school about this. You should buy fresh foods (not processed or packaged). Choose whole fruits and vegetables and be careful with processed products such as baking powder, vegetable oil, etc. In short, corn allergy and other allergic diseases are very dangerous, can cause anaphylaxis , affecting the patient's life. Therefore, if you are at risk of an allergic reaction, you should get an allergy test to take appropriate precautions.
At Vinmec International General Hospital, there is a package of examination and advice on treatment of atopic dermatitis for customers of all ages. Customers at risk such as atopic dermatitis, food allergies... will be examined and tested including:
Dermatological examination; Perform tests such as: Quantitative IgE, fresh mycobacteria, specific IgE quantification with respiratory allergens - food (Panel 1 Viet), test Rida Allergy Screen (panel 1)... The advantages of registering for the package of examination and consultation for treatment of atopic dermatitis are:
The medical team - doctors are leading experts, highly qualified, dedicated and devoted to the benefit of the patient. Patients Comprehensive and professional medical examination, consultation and treatment service Modern equipment system, supporting effective diagnosis and treatment Modern, civilized, luxurious and sterile medical examination and treatment space Fully guarantee the safety and privacy of customers. Modern, efficient and effective model for managing, sharing and connecting information online.
Please dial HOTLINE for more information or register for an appointment HERE. Download MyVinmec app to make appointments faster and to manage your bookings easily.
References: Webmd.com, Healthline.com
