ALLERGY
Description


  Symptoms
Abdominal cramps Abdominal bloating Abdominal pain
Anxiety Blood pressure - low Breathing - difficulty
Breathing - wheeze Chest - feeling of tightness Consciousness - loss
Cough Diarrhea Dizziness
Eyes - burning Eyes - dry Eyes - itching
Eyes - redness Eyes - swelling Eyes - watery
Face - swellling Lips - itching Lips - swelling
Mental - confusion Mouth - itching Mouth - swelling
Muscles - cramps Nausea Nose - itching
Nose - runny Pulse - rapid Skin flushing
Skin - itching Skin - rash Skin - swelling
Smell - loss Sneezing Swallowing - difficulty
Taste - loss Throat - itching Throat - swelling 
Tongue - itching Tongue - swelling Vomiting
  Description
Allergy is a physiological reaction caused when the immune system mistakenly identifies a substance as damaging to the body. These normally harmless environmental substances are called allergens. The body's immune system treats the allergens as an invader and reacts inappropriately, resulting in   symptoms that can be harmful to the person. In a severe reaction called anaphylaxis, the response to the allergen is so intense that it affects the whole body. It is rare and is life-threatening. The most common allergens are: pollens, molds, animal dander, and dust.ds, animal dander, and dust.
  
Colonoscopy image of Polypectomy Esagil.org
    Evolution of a skin rash produced by allergy.



In an attempt to protect the body, the immune system of the allergic person produces antibodies called immunoglobulin E (IgE). Each IgE antibody specifically targets a  particular allergen. In this process, inflammatory chemicals like histamines, cytokines, and leukotrienes are released into the  bloodstream, causing some of the symptoms mentioned above. Symptoms vary in severity from person to person. Allergy symptoms could be mild, moderate or even severe.

 Allergies can be inherited. The child has more risk of getting it if both parents have allergies.
  Diagnosis

Initially, allergy tests can be done for common environment, foods and drugs allergens. Allergy can be confirmed with the following procedures and tests:

-          Medical history of the patient

-          Physical examination

-          Lung function tests

-          X – rays

-        Skin tests, which are more accurate than blood tests but the direct exposure to allergens, might represent some risks.

-     Blood tests (looking for antibodies of common and specific allergens).

  More information:
Allergy Treatment
Allergy Healthcare Centers
 

 

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