What is the difference between an allergy and an intolerance?

Answer

The difference between a food allergy and a food intolerance lies in the mechanisms of how the reaction develops and the degree of potential danger to the human body. Understanding these differences is critically important for proper diet selection and timely medical assistance.

Below are the key features and differences between these two conditions:

An allergy is a classic immune response of the body, in which the immune system mistakenly perceives a harmless protein as a dangerous enemy and can be fatal in severe cases.
An intolerance is a purely digestive or enzymatic problem associated with the body's inability to properly break down a specific food component due to a lack of enzymes.
An allergy is accompanied by characteristic symptoms: swelling of the mucous membranes, skin rash, itching, hives, and in the most dangerous situations — anaphylactic shock.
An intolerance manifests in the gastrointestinal tract: severe abdominal bloating, excessive gas production, cramping pains, and diarrhea.
An allergy is diagnosed only by an allergist using specialized skin tests and blood tests for specific immunoglobulins E.

People facing these manifestations require a completely different approach to organizing their daily nutrition. With a confirmed allergy, it is necessary to completely eliminate the irritating product even in microscopic doses. With an intolerance, consuming a small amount of the product or using special enzyme preparations that facilitate the digestive process is permissible.

If you suspect you have a pathological reaction to a certain food, do not engage in self-diagnosis and experimentation with your health. Contact a qualified physician who will prescribe the necessary examinations, help compile a safe diet, and teach you how to properly read product ingredient lists on store packages.

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