Difference between food allergy and food intolerance

People are allergic to different things are allergic to dust so, some are allergic to some food items. When someone is allergic to something then they can’t tolerate it and if they come in contact with them then they get different reactions. Food allergic people are sensitive to some food items and when they eat it then within the stomach some reactions occur which affect their health. People often confuse these two terms allergy and intolerance. Intolerance is about not tolerating something means when you eat something and you can’t digest it while allergic food sometimes causes life-threatening diseases.

If you are having food intolerance you can eat it a little but not in large amounts. In food intolerance, you can prevent reactions. Some causes of food intolerance are:

Sensitivity to food additives:

Some digestive disorders occur such as diarrhoea and colicky pains. You can also have some nervous and respiratory disorders colouring and sodium benzoate are the most common food additive people are intolerant to.

Lactose intolerance:

The cause of lactose intolerance is the enzyme that is not working for this reaction. The enzymes get disappeared and do not appear when it is needed. That’s why lactose intolerance occurs due to which people can’t digest lactose. Lactase enzyme is an enzyme that breaks down lactose into smaller pieces.

Fructose intolerance:

Fructose intolerance is also due to enzymes. This type of intolerance is rare. Fructose is present in honey some vegetables and fruits. It is also known as hereditary fructose intolerance.

Food poisoning:

Food poisoning is the best example of food intolerance. Some foods have chemicals that are not suitable for personal health and causes diarrhoea, nausea and vomiting.

For example, Uncooked meat can cause diarrhoea, uncooked beans contain some aflatoxins and cause some serious digestive problems.

Gluten intolerance:

Gluten is a protein that is found in cereals such as wheat, barley and maize. When a person is suffering from this intolerance, he experiences many discomforts such as pains, nausea and bloating.

Some causes and types of food allergy are the following:

Some foods:

There are some foods to which children are allergic. Some children are allergic to eggs, milk, soya, wheat and peanuts. Due to this, they have many symptoms and sometimes they apply to life-threatening diseases.

Symptoms of allergy:



Shortening of breath


Repetitive cough

Weak pule


Allergy and intolerance have many differences. In food allergy, the immune system is involved while in food intolerance immune system is not involved. In food intolerance, enzymes are involved. It occurs due to the absence of certain enzymes. The symptoms of intolerance occur later while the symptoms of allergy occur within 2 hours and sometimes 4-6 hours. In intolerance, the person can eat the food without any adverse reaction but in allergy, the person cannot eat the food he is allergic to. Intolerance reactions may be severe and extreme but with less harm of life-threatening disease but in allergy, the reactions are extreme and severe with great harm of diseases which may sometimes take life.

Common trigger food intolerance is beans, cabbage, citrus food, grains that contain gluten, lactose and meat. While common trigger food of allergy is fish, groundnuts, milk, tree nuts, soybeans, shellfish and wheat.

If a person is allergic to food items then for treatment he should carry an injector with himself such as EpiPen that contains adrenalin and epinephrine.

An intolerant patient does not need immediate treatment. He can be cured with long term treatments. A person with intolerance of food can make a chart in which he will not eat the thing which causes he can’t tolerate it.

The above discussion will help you in examining the difference between allergy and intolerance. These are two different terms and they must be differentiated. People are usually not aware of these terms they sometimes call intolerance allergy. In the US people are often allergic to eggs and milk. In Pakistan, most people are allergic to tree nuts and soy seeds. Immunoglobulin E is the main reason for allergy. Some people are very sensitive and they have very weak immune systems due to which they often get allergic to many food items. They easily get allergy and then they are suspected of life-threatening diseases.

People should take care of their health. They should use best kitchen accessories like a cast iron skillet to get rid of many dust particles. People nowadays have become lazy because of technology. They are eating fast food which is hazardous to health. Fast foods weaken your immune system and because of that, you are then unable to digest different things. Your strong immunity is very important. Health is wealth and for this purpose, you have to take of yourself and your family. Health is very important.

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