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Topic: Allergic


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In the News (Fri 5 Dec 08)

  
  Dr. Koop - Allergic Rhinitis- Health Encyclopedia and Reference
Allergic rhinitis is an inflammation of the nasal passages, usually associated with watery nasal discharge and itching of the nose and eyes.
Allergic rhinitis affects about 20 percent of the American population and ranks as one of the most common illnesses in the U.S. The symptoms occur in the nose and eyes and usually occur after exposure to dust, danders, or certain seasonal pollens in people that are allergic to these substances.
Classic signs of allergic rhinitis may include swelling of the eyelids, injected sclerae (the whites of the eyes may be red), allergic shiners (darkened areas under the lower eyelids thought to result from venous pooling of blood), and extra skin folds in the lower eyelids.
www.drkoop.com /encyclopedia/93/208.html   (1069 words)

  
 Allergic Rhinitis
Allergic rhinitis is an allergic reaction to airborne particles that primarily affects the nose and eyes.
Seasonal allergic rhinitis is caused by an allergic reaction to pollens and spores (depending on the season and area) as they are carried on the wind.
Information on vitamin C for allergic rhinitis is somewhat limited, but early studies suggest that there may be a role for this vitamin in treating symptoms of hay fever and year-round allergic rhinitis.
www.umm.edu /altmed/ConsConditions/AllergicRhinitiscc.html   (3415 words)

  
 Allergic Rhinitis in Children
Allergic rhinitis is generally characterized by frequent sneezing and a runny or stuffy nose sometimes accompanied by watery eyes.
A family history of allergic rhinitis is the greatest known risk factor for the condition.
To determine what allergens an individual is allergic to, patients of any age may undergo a skin test in which they are exposed to various substances, such as pet dander, dust mites or mold.
healthlink.mcw.edu /article/992530573.html   (627 words)

  
 Fact Sheet: Allergic Rhinitis, Sinusitis, and Rhinosinusitis
During an allergic attack, antibodies, primarily immunoglobin E (IgE), attach to mast cells (cells that release histamine) in the lungs, skin, and mucous membranes.
Hypersensitivity to ragweed, not hay, is the primary cause of seasonal allergic rhinitis in 75 percent of all Americans who suffer from this seasonal disorder.
Although bacteria is not the cause of allergic rhinitis, one medical study found a significant number of the bacteria Staphylococcus aureus in the nasal passages of patients with year-round allergic rhinitis, concluding that the allergic condition may lead to higher bacterial levels, thereby creating a condition that worsens the allergies.
www.entnet.org /healthinfo/sinus/allergic_rhinitis.cfm   (623 words)

  
 Milford Eye Care -Allergic Conjunctivitis   (Site not responding. Last check: 2007-10-21)
Allergic conjunctivitis is one of the most common disorders of the eye.
Allergic conjunctivitis is often associated with other allergic symptoms such as hay fever, but sometimes only the eyes are affected.
The term “allergic conjunctivitis” is often used to describe basic symptoms of an allergic response (red, itchy, and swollen eyes) to a foreign substance - allergen.
www.milfordeye.com /allergic_conjunctivitis.html   (434 words)

  
 AAAAI - Patients & Consumers Center: Resources: Is Your Asthma Allergic? Know Your IgE
Allergic asthma is the most common form of asthma.
Many of the symptoms of allergic and non-allergic asthma are the same (coughing, wheezing, shortness of breath or rapid breathing and chest tightness).
However, allergic asthma is triggered by inhaling allergens such as dust mites, pet dander, pollens, mold, etc. Through a complex reaction, these allergens then cause the passages in the airways of the lungs to become inflamed and swollen.
www.aaaai.org /allergicasthma   (623 words)

  
 HON Allergy Glossary Rhinitis
Rhinitis is an inflammation of the nasal mucosa (the mucous membrane that lines the nose and the sinus), often due to an allergic reaction to pollen, dust or other airborne substances (allergens).
Concerning the treatment of allergic rhinitis, corticosteroid nasal sprays are very effective agents, especially for symptoms of congestion, sneezing, and runny nose.
The main cause of seasonal allergic rhinitis are tree, grass or weed pollens.
www.hon.ch /Library/Theme/Allergy/Glossary/rhinitis.html   (293 words)

  
 Allergic Rhinitis (Hay Fever and Rose Fever) and Chronic Nasal Congestion - UMMC
Although perennial allergic rhinitis is certainly not considered a serious condition, it nonetheless can interfere with many important aspects of life.
In one study over half of allergic subjects reported that by 40 years of age their symptoms had decreased, and 23% were symptom-free.
Some research shows that in young children with allergic rhinitis treating allergies with antihistamines and avoiding allergens may lower the risk for asthma attacks in patients with both conditions and even may help prevent the onset of asthma in children with only allergies.
www.umm.edu /patiented/articles/how_serious_allergic_rhinitis_000077_5.htm   (757 words)

  
 eMedicine - Allergic Rhinitis (Hayfever, Hay Fever) : Article by Javed Sheikh, MD
Allergic rhinitis often coexists with other disorders, such as asthma, and may be associated with asthma exacerbations.
Prevalence of allergic rhinitis seems to vary among different populations and cultures, which may be due to genetic differences, geographic factors or environmental differences, or other population-based factors.
Sporadic allergic rhinitis, intermittent brief episodes of allergic rhinitis, is caused by intermittent exposure to an allergen.
www.emedicine.com /med/topic104.htm   (8628 words)

  
 Allergic Reactions and Anaphylaxis Information from the distributor of EpiPen® Epinephrine Auto-Injectors   (Site not responding. Last check: 2007-10-21)
When sensitivity exists, the intensity of a given anaphylactic attack is unpredictable because it depends on the amount of allergen contained in the food eaten and the individual's degree of hypersensitivity to the allergen.
If the person is allergic to the particular food sample injected, then the skin will react within 15 to 20 minutes—usually with a hive-like swelling surrounded by redness.
Therefore, it is essential that people with food allergies protect themselves by carefully avoiding the foods that trigger their reactions, and by being prepared to treat anaphylactic reactions that occur immediately with epinephrine in combination with emergency medical care.
www.allergic-reactions.com /home/causes_food.html   (1532 words)

  
 Allergic Rhinitis
Allergic rhinitis is an IgE mediated inflammatory disease of the nasal mucosa.
The initial response is followed by a late chronic inflammatory phase characterized by proliferation of mast cells, and invasion of the mucosa by eosinophiles, basophiles, and the proliferation of lymphocytes.
Allergic rhinitis affects about 10-20% of the pediatric population and may be seasonal (pollens and grasses) or perennial (animals, dust mites,cockroaches).
pedclerk.bsd.uchicago.edu /allergicRhinitis.html   (421 words)

  
 [No title]
The classic symptoms of allergic rhinitis are sneezing, nasal itching and congestion, and a thin, watery nasal discharge.
Allergic rhinitis may be chronic (perennial), episodic, or seasonal.
Seasonal allergic rhinitis is due to allergy to pollens or outdoor mold spores.
www.allergic.net /allergicrhinitis.htm   (1316 words)

  
 All About Allergies
And if a child is allergic to one substance, it's likely that he or she will be allergic to others as well.
Half of those allergic to peanuts are also allergic to tree nuts, such as almonds, walnuts, pecans, cashews, and often sunflower and sesame seeds.
For example, kids who are allergic to birch pollen might have reactions when they eat an apple because that apple is made up of a protein similar to one in the pollen.
kidshealth.org /parent/medical/allergies/allergy.html   (3093 words)

  
 MedlinePlus Medical Encyclopedia: Allergic reactions
Allergic reactions are sensitivities to a specific substance, called an allergen, that is contacted through the skin, inhaled into the lungs, swallowed, or injected.
In fact, the immune response that causes an allergic reaction is similar to that which causes hayfever.
Anaphylaxis is a sudden and severe allergic reaction that occurs within minutes of exposure, PROGRESSES RAPIDLY and can lead to anaphylactic shock and death within 15 minutes if medical intervention is not obtained.
www.nlm.nih.gov /medlineplus/ency/article/000005.htm   (909 words)

  
 Allergic Contact Dermatitis Skin Allergy
Allergic contact dermatitis occurs when your skin comes in contact with an allergen that your skin is sensitive or allergic to.
The most common types of allergic contact dermatitis are allergy to poison ivy and poison oak.
The most common treatment for allergic contact dermatitis is a cortisone ointment preparation.
www.skinsite.com /info_allergic.htm   (472 words)

  
 Allergic Cascade - Allergies: allergy symptoms, treatment, and medications by MedicineNet.com   (Site not responding. Last check: 2007-10-21)
Although you may be allergic to a number of substances, allergic reactions are directed at specific allergens.
For example, if you are allergic to birch trees, your immune system may also react to apples or other fruits, which it mistakes for birch pollen.
Cytokines are a diverse group of proteins that are released by lymphocytes and macrophages in response to an injury or activation, such as by an allergen.
www.medicinenet.com /allergic_cascade/article.htm   (865 words)

  
 Allergic Rhinitis (Hay Fever)   (Site not responding. Last check: 2007-10-21)
Allergic rhinitis is a common illness affecting an estimated 20-40 million Americans, and resulting in 10 million lost days of school or work each year.
Perennial allergic rhinitis, however, occurs year around and is caused by indoor allergens such as dust, mite, mold spores, and animal dander.
These antibodies attach themselves to the mast cells, and when combined with the allergen the result is the release of histamine and other chemical substances from the mast cells.
darkwing.uoregon.edu /~uoshc/allergicrhinitis.html   (941 words)

  
 Recognizing Allergic Reactions From Insect Stings
However, most people are not allergic to insect stings and may mistake a normal sting reaction for an allergic reaction.
People who have experienced an allergic reaction to an insect sting have a 60% chance of a similar or worse reaction if they are stung again.
An allergic reaction is treated with epinephrine (adrenaline), either self-injected or administered by a doctor.
my.webmd.com /NR/internal.asp?GUID={5F638216-EA13-446A-8D31-116100356A84}?z=1625_50533_6508_00_16   (1049 words)

  
 Allergy-Drug.com: Allergies and Allergic Reactions   (Site not responding. Last check: 2007-10-21)
An allergic reaction, also known as a hypersensitivity reaction, is a reaction caused by the immune system in response to a foreign substance, or allergen.
Or, you might find that it took years in a pollen-heavy environment (such as a valley in which the main industry is grass-seed farming), to gradually develop a reaction of increasig severity to that pollen.
Atopic diseases are distinguished by their tendency to produce allergic reactions to normally harmless inhalants and other substances, such as pollens, molds, animal dander, dust mites, and nuts.
www.allergy-drug.com   (518 words)

  
 Allergy Education, Allergy Dallas TX, Allergy Fort Worth TX, Allergy Treatment, Allergy Diagnosis, Intradermal Testing, ...
However, since many cat allergic people ignore the advice of their physician, there are ways to help reduce the reactions.
Generally, allergic reactions are caused by any number of things--exposure to smoke pollutants, viral infection and allergens like grasses, molds and pollen.
These two groups of allergic illnesses are completely separate, and having one kind does not mean you are more likely to have the other kind.
www.allergic.com /polleninhalents.htm   (5327 words)

  
 Gale Encyclopedia of Medicine: Allergic rhinitis
Allergic rhinitis, more commonly referred to as hay fever, is an inflammation of the nasal passages caused by allergic reaction to airborne substances.
Allergic rhinitis (AR) is the most common allergic condition and one of the most common of all minor afflictions.
Although allergy to a particular substance is not inherited, increased allergic sensitivity may "run in the family." While allergies can improve on their own over time, they can also become worse over time.
www.findarticles.com /p/articles/mi_g2601/is_0000/ai_2601000045   (968 words)

  
 Allergic Rhinitis - health information, commonly called hay fever   (Site not responding. Last check: 2007-10-21)
Allergic rhinitis (commonly called hay fever) is an inflammation or irritation of the mucous membranes that line the nose.
Allergic rhinitis happens when an allergen (an allergy-producing substance, such as pollen) causes your body to defend itself by producing antibodies.
This allergic reaction is the result of indoor irritants such as feathers, mold spores, animal danders (hair and skin shed by pets) or dust mites.
www.mckinley.uiuc.edu /health-info/dis-cond/allergy/allergrh.html   (1013 words)

  
 Allergic Rhinitis   (Site not responding. Last check: 2007-10-21)
Allergic rhinitis: Is a reaction to airborne (inhaled) allergens.
Depending on the allergen, the resulting rhinitis and conjunctivitis may be seasonal such as hay fever or occurring year round (perennial allergic rhinitis).
Hay fever: sneezing, profuse watery rhinorrhea, and nasal obstruction or congestion.
www.med-help.net /Allergicrhinitis.html   (203 words)

  
 Understanding Allergic Asthma
Allergic asthma is a chronic inflammatory disorder of the airways.
When the individual is exposed to that same allergen again, the allergen binds to the IgE on the mast cell causing it to release substances such as histamine, prostaglandins and leukotrienes, which cause symptoms such as chest tightness, coughing and wheezing.
First, patients are evaluated to identify their specific allergic triggers and a program of allergen avoidance is recommended.
www.aaaai.org /media/news_releases/2003/06/061803.html   (713 words)

  
 Eosinophil degranulation in the allergic lung of mice primarily occurs in the airway lumen -- Clark et al. 75 (6): 1001 ...
Eosinophil degranulation in the allergic lung of mice primarily occurs in the airway lumen -- Clark et al.
Eosinophil degranulation in the allergic lung of mice primarily occurs in the airway lumen
in the allergic lung of mice is primarily compartmentalized
www.jleukbio.org /cgi/content/abstract/75/6/1001   (364 words)

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