Allergic rhinitis, also called pollinosis, hay fever or nasal allergies, is a collection of symptoms, predominantly in the nose and eyes, that occur after exposure to airborne particles of dust, dander, or the pollens of certain seasonal plants in people who are allergic to these substances. When these symptoms are caused by pollens, the allergic rhinitis is commonly known as "hay fever", after the fact it is most prevalent during haying. Hay fever - Causes. Allergies are caused ...

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• Hay fever - Causes
• Hay fever - Symptoms
• Hay fever - Signs and tests
• Hay fever - Treatment
• Hay fever - Medication
• Hay fever - Expectations
• Hay fever - Complications

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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. Allergy testing may reveal the specific allergens the person is reacting to. Skin testing is the most common method of allergy testing. This may include intradermal, scratch, patch, or other tests. Less commonly, the suspected allergen is dissolved and dropped onto the lower eyelid as a means of testing for allergies. (This test should only be done by a physician, never the patient, ...

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Hay fever, Hay fever - Causes, Hay fever - Symptoms, Hay fever - Signs and tests, Hay fever - Treatment, Hay fever - Medication, Hay fever - Expectations, Hay fever - Complications

Read more here: » Hay fever: Encyclopedia II - Hay fever - Signs and tests

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 to substances (allergens) that are generally harmless and in most people do not cause an immune response. As noted above, hay fever involves an allergic reaction to pollen. A virtually identical reaction occurs with allergy to mold, animal dander, dust, and similar inhaled allergens. Particulate matter in polluted air and chemicals such as chlorine and detergents, which can normally be tolerated, ...

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Hay fever, Hay fever - Causes, Hay fever - Symptoms, Hay fever - Signs and tests, Hay fever - Treatment, Hay fever - Medication, Hay fever - Expectations, Hay fever - Complications

Read more here: » Hay fever: Encyclopedia II - Hay fever - Causes

The goal of treatment is to reduce allergy symptoms caused by the inflammation of affected tissues. The best "treatment" is to avoid what causes your allergic symptoms in the first place. Hay fever - Medication. The most appropriate medication depends on the type and severity of symptoms. Specific illnesses that are caused by allergies (such as asthma and eczema) may require other treatments. Options include the following: Short-acting antihistamines, which are generally over-the-counte ...

See also:

Hay fever, Hay fever - Causes, Hay fever - Symptoms, Hay fever - Signs and tests, Hay fever - Treatment, Hay fever - Medication, Hay fever - Expectations, Hay fever - Complications

Read more here: » Hay fever: Encyclopedia II - Hay fever - Treatment