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What is a food allergy?

What should you know about it?

A food allergy occurs when the body’s immune system responds abnormally to certain foods. Most reactions are mild, but some can be severe. In rare cases, a person may experience a serious allergic reaction called anaphylaxis, which can be life-threatening.

symptoms

What are the symptoms of food allergy?

Food allergy symptoms vary from person to person—they can be mild for some and more severe for others. They usually show up soon after eating or touching the food you’re allergic to and can affect different parts of the body. Here are a few common signs that may indicate a food allergy:

Respiratory problems

Stuffy nose, wheezing, coughing, sneezing, difficulty breathing, tightness of the chest

Skin reaction

Rashes, eczema, itchiness, swelling, redness

Digestive issues

Diarrhea, vomiting, nausea, abdominal pain

Cardiovascular symptoms

dizziness and abnormal pulse

Anaphylaxis

A drop in blood pressure, difficulty in breathing and loss of consciousness

Symptoms

treatment options

What are the treatment options for food allergies?

While there is no complete cure for food allergies, several effective treatments and management strategies can help prevent reactions and improve quality of life. Here are the main options:

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Elimination of the food

After a complete diagnosis you will know which foods trigger your allergy causing a food skin allergy. It is important that you strictly avoid allerg these foods as a part of your treatment plan.

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Emergency medicine

In case you are accidentally exposed to your allergy food you may need emergency medication that is prescribed by an allergy doctor to prevent anaphylaxis.

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Oral immunotherapy

In this procedure, you will need to consume very little of your allergy causing food under the supervision of a doctor to build tolerance over time.

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Regular followup

Food allergies can change over time, especially in children. So regular follow up with your doctor help monitor whether the allergy has improved, persisted or resolved

types of food allergies

What are the types of food allergies?

Food allergies are generally divided into three categories.

diagnosis

How are food allergies diagnosed?

Food allergies are diagnosed through a combination of medical history, physical examination, and specific food allergy tests. Here’s how doctors typically identify food allergies:

Detailed physical examination:

Your doctor will check for possible allergy symptoms like swelling, redness, breathing difficulties, and others. You may be asked questions on what you might be allergic to and what was consumed.

Skin Prick Test

In this food allergy test, a small amount of the suspected allergen is placed on your skin, usually on the forearm. The skin is then gently pricked or scratched so the substance can enter the surface. If you’re allergic, a red, itchy bump—similar to a mosquito bite—will usually show up within 15 to 20 minutes.

Blood tests

Food allergy blood test checks for certain allergy-related antibodies in your blood. They help find out which specific substances might be causing your allergic reactions.

Oral food challenge

This test involves eating small amounts of food suspected of allergen, while being closely monitored by a doctor. It’s the most reliable way to find out if you have a food allergy, but it’s done in a medical setting because there’s a chance of a serious reaction.

major food allergens

What are the major food allergens?

Many people are allergic to different foods, but there are major food allergens that you need to look out for. That include:

Shellfish like crabs and prawns

Milk and dairy products

Soybeans

Sesame seeds

Wheat

Peanuts

Fish

Eggs

Yam

Brinjal

Dry fruits (Almonds and Pistachios)

Even a small amount of these foods can cause an allergic reaction, which may begin within a few minutes or hours after consumption.

our doctors

Here’s a glimpse of our expert gastroenterologists

Our team of highly experienced gastrointestinal experts have over 32+ years of experience in providing the best food allergy treatment in Coimbatore.

FAQs

These are the most commonly asked questions about Food Allergy. If you have any other questions, please Get in touch

There is no complete cure yet, but food allergies can be managed well with proper care, avoidance, and emergency medications if needed.
Yes, many children outgrow allergies to milk, eggs, or soy, but some allergies (like to peanuts or shellfish) may last longer.
Food allergies happen when the immune system reacts and can sometimes lead to serious health issues. Food intolerance (like lactose intolerance) doesn’t involve the immune system and usually causes digestive problems like gas or bloating.
Yes. Even if you ate a certain food for years without problems, it’s possible to develop an allergy to it later in life.
No. Even a small amount can trigger a severe reaction in some people. It’s safest to avoid the food completely unless advised otherwise by a doctor.

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Expert Gastroenterologists 10,000+ Happy Patients 49+ Years of Service

Expert Gastroenterologists 10,000+ Happy Patients 49+ Years of Service

Expert Gastroenterologists 10,000+ Happy Patients 49+ Years of Service

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