Managing Your Food Allergy: Symptoms and causes?

Food allergy is Associate in nursing system reaction that happens presently once intake a definite food. Even a little quantity of the allergy-causing food will trigger signs and symptoms like biological process issues, hives or swollen airways. In some individuals, a food allergy can cause severe symptoms or even a life-threatening reaction known as anaphylaxis.

Symptoms of food allergies can include hives, itching and swelling in the nose and throat, and stomach pain or nausea. In extreme cases, food allergies may lead to anaphylaxis a state of shock accompanied by low blood pressure and constricted airways which can be fatal if untreated, according to the Mayo Clinic.

Shellfish is the most common food allergen in the U.S., affecting approximately 7 million adults, according to the study. Milk allergies have an effect on nearly five million individuals, followed closely by peanut allergies, which affect about 5 million people. Other widespread allergens embody tree kooky, fish, eggs, wheat, soy and sesame, the scientists reported.

Symptoms:

For some individuals, an allergic reaction to a particular food may be uncomfortable but not severe. For others, an allergic food reaction can be frightening and even life-threatening. Food allergy symptoms typically develop inside many minutes to 2 hours once intake the sinning food.

The most common allergic reaction signs and symptoms include:

•           Tingling or itching in the mouth

•           Hives, itching or eczema

•           Inflammation of the lips, face, tongue and throat or other parts of the body

•           Wheezing, nasal congestion or trouble breathing

•           Abdominal pain, diarrhoea, nausea or vomiting

•           Dizziness, light headedness or fainting

Differential diagnosis:

Important differential diagnoses are:

Lactose intolerance generally develops later in life, but can present in young patients in severe cases. It is due to an enzyme deficiency (lactase) and not allergy, and occurs in many non-Western people.

While it is caused by a permanent intolerance to gluten (present in wheat, rye, barley and oats), is not an allergy or simply an intolerance, but a chronic, multiple-organ autoimmune disorder primarily affecting the small intestine.

Irritable bowel syndrome:

C1 Esterase inhibitor deficiency (hereditary angioedema), a rare disease, generally causes attacks of angioedema, but can present solely with abdominal pain and occasional diarrhoea.

Mucosal responses to soluble protein antigens early in life tend to be TH2 biased, which has led to the general idea that this occurs by default in both animals and humans Genetics plays a clear role in mouse models, in which certain strains have exaggerated TH2 bias whereas others tend to be resistant to sensitization, and although family studies suggest a strong genetic component in human food allergy, efforts have largely failed to identify risk alleles.

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