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Topic: Allergic rhinitis

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In the News (Mon 22 Apr 19)

  Non Allergic Rhinitis   (Site not responding. Last check: 2007-11-07)
Exacerbations of rhinitis symptoms with predominant clear rhinorrhea in patients with a known history of allergic rhinitis may prove to be a diagnostic difficulty.
The term vasomotor rhinitis has been used loosely to describe patients with perennial rhinitis whose symptoms are intensified by changes in temperature or relative humidity, alcohol, odors such as bleach, perfume or solvents, bright lights or hot spicy foods, and irritants such as tobacco smoke, dusts and automotive emission fumes.
Occupational rhinitis refers to rhinitis arising in response to airborne substances in the workplace, which may be mediated by allergic or nonallergic factors, eg, laboratory animal antigen, grain, wood dusts, and chemicals.
www.jcaai.org /Param/Rhinitis/Complete/non_allergic_rhinitis.htm   (3348 words)

 Allergic Rhinitis   (Site not responding. Last check: 2007-11-07)
Rhinitis is reported to be a very frequent disease, although data regarding the true prevalence of rhinitis are difficult to interpret.
Studies have shown that the frequency of allergic rhinitis increases with age until adult-hood and that positive immediate hypersensitivity skin tests are significant risk factors for the development of new symptoms of seasonal allergic rhinitis.
The symptoms of allergic rhinitis re-sult from a complex allergen-driven mucosal inflammation resulting from an interplay between resident and infiltrating inflammatory cells, and a number of inflammatory me-diators and cytokines.
www.jcaai.org /Param/Rhinitis/Complete/allergic_rhinitis.htm   (2677 words)

This allergic problem is often regarded as a rather trivial condition, but the truth is that the consequences of this illness may produce many untoward problems previously not adequately appreciated.
Allergic nasal disorders are divided into two main types; the seasonal form which is known as seasonal allergic rhinitis or more commonly as hay-fever, and secondly the year-round form known as perennial allergic rhinitis.
Allergens which cause symptoms of seasonal allergic rhinitis are usually the pollens of grass, trees and a few weed species, all of which are wind-pollinated.
www.allergysa.org /allergic_rhinitis.htm   (993 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.
Rhinitis may also cause infection of the sinuses (sinusitis), dysfunction of the eustachian tubes that connect the ear to the throat (resulting in temporary hearing loss), aggravation of asthma and changes in the formation of the mouth, such as a high-arched palate.
healthlink.mcw.edu /article/992530573.html   (627 words)

 MedlinePlus Medical Encyclopedia: Allergic rhinitis
Allergic rhinitis is a collection of symptoms, predominantly in the nose and eyes, caused by airborne particles of dust, dander, or plant pollens in people who are allergic to these substances.
When these symptoms are caused by pollen, the allergic rhinitis is commonly known as "hay fever".
The history of the person's symptoms is important in diagnosing allergic rhinitis, including whether the symptoms vary according to time of day or the season; exposure to pets or other allergens; and diet changes.
www.nlm.nih.gov /medlineplus/ency/article/000813.htm   (1129 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.
Symptoms of allergic rhinitis may cause a child to wiggle the nose and push the nose upward with the palm of the hand to clear obstruction.
www.umm.edu /altmed/ConsConditions/AllergicRhinitiscc.html   (3415 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)

 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)

 AAAAI - Patients & Consumers Center: Tips to Remember: Tips to Remember: Rhinitis
Rhinitis is one of the most common allergic conditions in the United States, affecting about 40 million people.
Allergic rhinitis is also triggered by common indoor allergens, such as animal dander (dried skin flakes and saliva), indoor mold or droppings from cockroaches or dust mites.
Decongestants are important in the care of allergic rhinitis because congestion is, for the majority of patients with allergic rhinitis, the most troublesome symptom.
www.aaaai.org /patients/publicedmat/tips/rhinitis.stm   (1151 words)

 Allergic Rhinitis - Children's Hospital of Philadelphia
Rhinitis is a reaction that occurs in the nose when airborne irritants (allergens) trigger the release of histamine.
Allergic rhinitis, one type of rhinitis, is uncommon in children younger than 3 years of age.
This type of allergic rhinitis is commonly seen in younger children.
www.chop.edu /consumer/your_child/condition_section_index.jsp?id=-8143   (562 words)

 Allergic Rhinitis (Hay Fever)   (Site not responding. Last check: 2007-11-07)
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.
It is all a part of vasomotor rhinitis - vasomotor for the blood vessel connection and rhinitis for the nasal tissue inflammation.
www.uoregon.edu /~uoshc/allergicrhinitis.html   (941 words)

 eMedicine - Rhinitis, Allergic : Article by Javed Sheikh, MD   (Site not responding. Last check: 2007-11-07)
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   (8625 words)

 Allergic Rhinitis
Because allergic rhinitis cannot be cured and may be frustrating to treat, people may try alternative unproven treatment methods.
Initial treatment of allergic rhinitis includes taking steps to reduce or eliminate exposure to the allergens causing your symptoms and using medications such as antihistamines that don't make you sleepy (non-sedating) or nasal steroids.
Corticosteroids usually are effective for all symptoms of allergic rhinitis (such as a runny nose or nasal congestion) and are the most effective treatment for allergic rhinitis.
www.peacehealth.org /kbase/topic/special/hw33436/sec10.htm   (1785 words)

 Online CME
The prevalence of allergic rhinitis, asthma, and sinusitis are increasing.
Allergic rhinitis is a result of a complex allergen-driven mucosal inflammation, an interplay between resident and infiltrating inflammatory cells and a number of inflammatory mediators and cytokines.
In summary, the prevalence of allergic rhnitis, asthma, and sinusitis are increasing.
www-cme.erep.uab.edu /onlineCourses/AllergicRhinitis/Allergic.htm   (1353 words)

 FamilyFun: Health Encyclopedia: Allergic Rhinitis (Hay Fever)
Children who are prone to allergic rhinitis also tend to develop symptoms when exposed to cigarette smoke, strong fumes, and in some cases, cold air.
Symptoms of allergic rhinitis are similar to those of a cold.
Children with allergic rhinitis usually exhibit persistent nose rubbing, because of the irritation or itch in the nose.
familyfun.go.com /parenting/child/health/childhealth/dony79enc_allrhin   (812 words)

 Allergic Rhinitis -- Overview
Allergic rhinitis (often called hay fever) is an overreaction of the immune system to particles in the air that you breathe.
With allergic rhinitis, the immune system starts fighting essentially harmless substances, like dust mites and pollen (allergens), as though they were trying to attack your body.
Allergic rhinitis is closely related to a type of asthma that is caused by allergies (allergic asthma).
my.webmd.com /hw/allergies/hw33438.asp   (234 words)

 Allergic Rhinitis
Allergic rhinitis is an allergic reaction of the lining of the nose.
Allergic rhinitis occurs when the nose and usually also the ears, sinuses, and throat come into contact with allergy- causing substances.
Your medical history is usually the basis for the diagnosis of allergic rhinitis.
www.lungdoc.md /PatientEd/allergicRhinitis.html   (765 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)

 Allergic Rhinitis   (Site not responding. Last check: 2007-11-07)
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)

 Allergic Rhinitis (Hay Fever)
Allergic rhinitis, unlike viral rhinitis (the common cold), is caused by allergic reactions of the mucous membranes in your nose and airway to substances in the air.
Nose picking is also quite common in allergies (sometimes the mucus in the nose is so thick and hard once it starts to dry that you have to pull some of it out to breathe more easily), and so are nosebleeds (often from the nose picking, but it may also be connected to the congestion).
Allergy shots work best for patients who are sensitive to airborne allergens (they help people with allergic rhinitis, and can be helpful to some people with asthma), and can also help reduce sensitivity to certain stinging insects.
www.drreddy.com /hayfever.html   (2194 words)

 Allergic Rhinitis   (Site not responding. Last check: 2007-11-07)
Boston--October 16, 2001--Employers lose at least $5.4 billion a year to allergic rhinitis, more than the cost of paying for treatment associated with seasonal allergy therapy, according to a recent Harvard study.
To determine the number of workdays lost to allergic rhinitis, Kessler's study used the MacArthur Foundation's National Survey of Daily Experience from January 1996 to January 1997.
Even with the conservative estimate of $5.4 billion a year lost in sick days due to allergic rhinitis, the researchers suggest it would be more economical for companies to pay the rhinitis-related medical expenses of their workers.
www.hms.harvard.edu /news/releases/1016kessler.html   (321 words)

 Hay Fever - Allergies: allergy symptoms, treatment, and medications by MedicineNet.com   (Site not responding. Last check: 2007-11-07)
"Allergic rhinitis" is the correct term used to describe this allergic reaction.
Symptoms of allergic rhinitis, or hay fever, frequently include nasal congestion, a clear runny nose, sneezing, nose and eye itching, and tearing eyes.
Allergic rhinitis can lead to other diseases such as sinusitis and asthma.
www.medicinenet.com /hay_fever/article.htm   (495 words)

 Allergic Rhinitis (Hay Fever and Rose Fever) and Chronic Nasal Congestion   (Site not responding. Last check: 2007-11-07)
Interestingly, although people with allergic rhinitis may perceive that they are getting less air through the nose, one study reported that there was no difference between nonallergy and allergy seasons in total nasal airflow, and patients may be achieving complete airflow during allergy season through one nostril.
Although they are found in far lower numbers in allergic rhinitis patients than in those with asthma, eosinophils cause inflammation in the airways in the lung and may be a predisposing factor for developing asthma later on in some patients with allergic rhinitis.
Additionally, allergic rhinitis has a negative impact on asthma in patients who suffer from both conditions; in fact, studies are showing that avoiding allergens may reduce the onset of asthma.
www.reutershealth.com /wellconnected/doc77.html   (8344 words)

 eMedicine - Allergic Rhinitis : Article by Quoc A Nguyen, MD   (Site not responding. Last check: 2007-11-07)
Allergic rhinitis is frequently associated with otitis media, rhinosinusitis, and asthma, either as a precipitating and/or aggravating factor or a symptomatic comorbid condition.
Allergic rhinitis can significantly decrease the quality of life and impair social and work functions, either directly or indirectly, because of the adverse effects of medications taken to relieve the symptoms.
Patients with allergic rhinitis frequently grimace and twitch their face, in general, and nose, in particular, because of itchy mucus membranes.
www.emedicine.com /ent/topic194.htm   (4448 words)

 Allergies (Allergic Rhinitis) - DrGreene.com   (Site not responding. Last check: 2007-11-07)
Asthma, eczema (atopic dermatitis), and allergic rhinitis (hay fever) often occur in the same families.
Allergic rhinitis is an over-exuberant response to substances in the environment.
The "allergic salute" -- rubbing the nose with the hand, sometimes leaving a horizontal crease on the nose -- is another common sign.
www.drgreene.com /21_1023.html   (1097 words)

 Allergic Rhinitis - health information, commonly called hay fever   (Site not responding. Last check: 2007-11-07)
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)

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