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  Dilley Allergy & Asthma Specialists, LLP
7835 W. Interstate 10
San Antonio, Texas 78230
Phone: 210.614.4405
Fax: 210.614.7892
 
 
 

Allergy Symptoms In San Antonio Texas call 210-614-4405

 
     
 

The signs and symptoms of airborne allergies are familiar to many.

  • Sneezing, often with a runny or clogged nose
  • Coughing and postnasal drip
  • Itching eyes, nose, and throat
  • Watering eyes
  • Conjunctivitis
  • "Allergic shiners" (dark circles under the eyes caused by increased blood flow near the sinuses)
  • "Allergic salute" (in a child, persistent upward rubbing of the nose that causes a crease mark on the nose)

    In people who are not allergic, the mucus in the nasal passages simply moves foreign particles to the throat, where they are swallowed or coughed out. But something different happens in a person who is sensitive to airborne allergens.

    In sensitive people, as soon as the allergen lands on the lining inside the nose, a chain reaction occurs that leads the mast cells in these tissues to release histamine and other chemicals. The powerful chemicals contract certain cells that line some small blood vessels in the nose. This allows fluids to escape, which causes the nasal passages to swell—resulting in nasal congestion. Histamine also can cause sneezing, itching, irritation, and excess mucus production, which can result in allergic rhinitis.

    Other chemicals released by mast cells, including cytokines and leukotrienes, also contribute to allergic symptoms.

    Some people with allergies develop asthma, which can be a very serious condition. The symptoms of asthma include

  • Coughing
  • Wheezing
  • Shortness of breath

    The shortness of breath is due to a narrowing of the airways in the lungs and to excess mucus production and inflammation. Asthma can be disabling and sometimes fatal. If wheezing and shortness of breath accompany allergy symptoms, it is a signal that the airways also have become involved.





    Courtesy: National Institute of Allergy and Infectious Diseases


  •      San Antonio, Texas

      Introduction to Allergies
      What is an allergy?
      What is allergic rhinitis? (Hay Fever)
      Why are some people allergic?
      What is an allergic reaction?
      Allergy Symptoms
      Pollen Allergy
      Mold Allergy
      Animal Allergy
      Dust Allergies
      What Is Food Allergy?


      Introduction to Asthma
      Contact Dermatitis
      What are Hives?
      Latex Allergies






     
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