LYCOS RETRIEVER 
Rhinitis: Allergies
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Nasal-spray corticosteroids (commonly called steroids) are considered the most effective drugs for treating severe allergic rhinitis. Corticosteroids suppress important stress and other hormones in a region of the brain called the HPA axis. The suppression of these hormones blocks the inflammatory response that triggers an allergic attack. Steroids do not relieve symptoms immediately. It may take several hours before their effects are felt. Nasal spray steroids benefits include:
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All are efficacious in controlling symptoms of allergic rhinitis (ie, sneezing, rhinorrhea, itching) but do not significantly improve nasal congestion. For this reason, some second-generation antihistamines are available as combination preparations containing a decongestant. They are often preferred for first-line therapy of allergic rhinitis, especially for seasonal or episodic symptoms, because of their excellent efficacy and safety profile. They can be used prn or daily.
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Allergic rhinitis can begin at any age, although most people first develop symptoms in childhood or young adulthood. The symptoms are often at their worst in children and in people in their 30s and 40s. However, the severity of symptoms tends to vary throughout life and many people experience periods of remission.
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Seasonal allergic rhinitis or hayfever is due to pollen allergy, most commonly grass pollens in Australia. Symptoms start abruptly in Spring and continue for a variable time depending on the geographical area. Occasionally tree and weed pollens may be responsible. Symptoms are worse out of doors.
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Although not life-threatening, rhinitis and sinusitis can make you miserable. At their worst, they can keep you from functioning normally, and may lead to life-threatening complications. Fortunately, there are things you can do to prevent these problems. And effective treatments exist when these symptoms do arise. If you have allergies, you are more likely to develop rhinitis or sinusitis than are persons without allergies. This makes it even more important to keep your allergies under control and to prevent rhinitis and sinusitis from occurring.
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Allergic rhinitis is caused by an allergic reaction to dust, molds, animals, foods, the pollens of grasses and trees, or other environmental triggers. Often, the person has a family history of allergies or asthma. Allergic rhinitis may cause itchy, watery eyes in addition to other symptoms. Blood tests or skin testing may help a doctor make the diagnosis.
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