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Food Allergy: Symptoms, Causes, Preventions and Treatments


Food allergies occurs when an individual's immune responds negatively to a certain food.

Signs and symptoms
The signs and symptoms often appears within just a few minutes or hours after exposure. If the intensity of its symptoms is high due to its effects on the respiratory tract and the circulation of blood, it is termed anaphylaxis.

Anaphylactic shock occurs when an individual's food allergy symptoms is somehow causing his or her blood pressure to reduce vigorously.
Here are some of the symptoms of food allergies:
1. Swelling of the tongue, lips or eyelids. In severe cases, the whole face swells up.
2. Hives
3. Diarrhoea
4. Reduction in blood pressure
5. Difficulty breathing.
6. Vomiting.
7. The itching of the lips, tongue, skin throat or other parts of the body.
8. Hives
9. Rash
10. Runny nose.
11. Trouble swallowing
12. Shortness of breath.
13. Lightheadedness

Causes
Allergies to foods like soy, milk, peanuts, eggs, seafood and wheats are some of the common food allergies out there.
There are about eight foods that are known to cause food allergies a lot. Those foods are normally called "the big eight. They include:
1. Seafood
2. Milk
3. Eggs
4. Soy
5. Peanuts
6. Tree nuts ( examples are cashews, , hazelnuts, pine nuts  macadamia nuts, walnuts, pistachios, Brazil nuts, coconuts, and  pecans)
7. Wheat
8. Shellfish

Foods like maize and spices contains some amount of allergenic proteins which can cause food allergies.

People who are prone to food allergies
Individuals who works in the food industries sometimes develop allergic reactions to aromas of certain food allergens.
Individuals with atopic syndrome normally exhibit allergies to foods quite easily. Atopic syndrome is normally caused by the combination of conjunctivitis, asthma, eczema and allergic rhinitis.
A person can sometimes exhibit allergic reactions towards foods like avocados and bananas if he or she is probably allergic to latex.

Prevention
Atopic dermatitis can likely be prevented if an individual was breastfed for about five months and above when he or she was a child.
If you want your child to be cleared off any sort of future food allergies then, exposing him or her early to these potential foods that can cause allergies, can be helpful.
A medical alert jewelry can be helpful

Treatment
Total avoidance of foods that are known to be allergens is the best way to prevent food allergies.

Epinephrine can be used to reduce the severeness of anaphylaxis in a case where the food an individual is allergic to is unknowingly ingested.
Epinephrine reduces the diameter of blood vessels when administered. This therefore increases the heart rate causing efficiency in blood circulation. Epinephrine is one of the best remedies for intense allergic reactions.

Antihistamines are good for treating allergic reactions. Example of an antihistamine is diphenhydramine. Antihistamines apparently, deals with histamines. Histamines are inflammatory Chemicals that are normally responsible for the itching symptoms shown during allergic reactions related to foods. 

Steroids usage can help treat allergic reaction. Steroids normally comforts an individual's immune system cells  in order to protect them from been affected by the chemicals been produced in the process of an allergic reaction. 



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