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Alternate Name(s): Hay fever; Nasal allergies ... Allergies are caused by an oversensitive immune system, leading to a misdirected immune response . The immune system normally protects the body against harmful substances such as bacteria and viruses. Allergy occurs when the immune system reacts ...
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www.nlm.nih.gov/medlineplus/ency/article/000813.htm#Cau...
www.nlm.nih.gov/medlineplus/ency/article/000813.htm#Causes,%20incidence,%20and%20risk%20factors
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Learn about hay fever (allergic rhinitis) treatment and medicines, symptoms, and causes. Spring and fall are the main hay fever seasons. Sneezing and watery eyes are the usual symptoms. ... Allergic rhinitis (hay fever), asthma and atopic eczema are among the most common causes of chronic ill health. There is also...
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www.emedicinehealth.com/hay_fever/article_em.htm
www.emedicinehealth.com/hay_fever/article_em.htm
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Learn about treatment, medications and ways to manage hay fever, plus, read about causes, signs, symptoms and diagnosis of allergies and allergic rhinitis. ... home > allergies center > allergies a-z list > hay fever index > hay fever article ... What causes allergic rhinitis?
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www.medicinenet.com/hay_fever/article.htm
www.medicinenet.com/hay_fever/article.htm
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Causes of Hay fever including triggers, underlying medical cause of Hay fever, risk factors, and what causes Hay fever. ... Diseases » Hay fever » Causes...
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www.wrongdiagnosis.com/h/hay_fever/causes.htm
www.wrongdiagnosis.com/h/hay_fever/causes.htm
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Detailed analysis of 3 causes of Hay fever symptom, alternative diagnoses and related symptoms. ... Common causes of Hay fever ... Symptoms » Hay fever » Causes...
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www.wrongdiagnosis.com/symptoms/hay_fever/causes.htm
www.wrongdiagnosis.com/symptoms/hay_fever/causes.htm
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Hay fever occurs when an allergen such as pollen or fungus spores comes into contact with the mucous membrane in your eyes or nose. The immune system mistakenly identifies the allergen as an invader , and an antibody known as immunoglobulin...
http://www.nativeremedies.com/ailment/natural-remedies-...
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What causes hay fever? ... The IgE antibody stimulates the release of certain chemicals, in particular histamine, to flush the pollen out of the airways. It is this process, which causes the many symptoms associated with hay fever.
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www.homehealth-uk.com/medical/hayfever.htm
www.homehealth-uk.com/medical/hayfever.htm
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Rhinitis - Wikipedia, the free encyclopedia
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Rhinitis (pronounced /raɪˈnaɪtɪs/ ), commonly known as a runny nose , is the medical term describing irritation and inflammation of some internal areas of the nose. The primary symptom of rhi...
en.wikipedia.org/wiki/Rhinitis
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Hay fever, also called allergic rhinitis, causes cold-like symptoms such as a runny nose, congestion, sneezing and sinus pressure. But unlike a cold, hay fever isn't caused by a virus — it's caused by an allergic response to indoor or outdoor airborne allergens, such as pollen, dust mites or pet dander.
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www.mayoclinic.com/health/hay-fever/DS00174
www.mayoclinic.com/health/hay-fever/DS00174
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