Allergens
Seasonal allergens provoke symptoms by stimulating the body's immune system. The immune system produces antibodies that cause the release of histamine from specialized cells called mast cells. Histamine is the primary cause of allergy symptoms such as congestion, runny nose, postnasal drip, itchy eyes/nose, and sneezing.
Irritants
Environmental irritants can cause symptoms that are identical to the ones caused by seasonal allergens but are not triggered by the immune system.
And did you know that many people are sensitive to both seasonal allergens and environmental irritants?
Your current medication may be approved to treat nasal symptoms caused by seasonal allergens, but may not be approved to treat symptoms caused by irritants like cold air, smoke, and perfume.
ASTELIN is a steroid-free antihistamine nasal spray (available by prescription only) that provides relief due to seasonal allergens and environmental irritants.
Author: medapharm
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