Allergic Conjunctivitis : Causes
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When your eyes are exposed to anything to which you are allergic, histamine is released and the blood vessels in the conjunctiva become swollen (the conjunctiva is the clear membrane that covers the "white" of the eye. Reddening of the eyes develo...
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Dust mites are perhaps the most common cause of nasal allergies. These mites are microscopic organisms that live in bedding, upholstered furniture, and carpets. They thrive in warm, humid conditions.
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It's not the dust mite itself that causes trouble for people, but its shed skin and fecal matter. These substances bring misery to millions of allergy sufferers.
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Detailed information on dust mite allergens
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An allergen is a substance that can cause an allergic reaction. Allergens are substances that, in some people, the immune system recognizes as "foreign" or "dangerous" but cause no response for most people.
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Detailed information on pollen allergy, also called hay fever, including information on which plants produce the most pollen and allergic rhinitis prevention during pollen season
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Your allergies could be caused by plant pollens such as those from weeds, grasses and trees, or outdoor molds.
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For many allergy sufferers, pollen and mold are the main problems.
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If allergies bother you in the fall, you’re most likely sensitive to one or more molds, weeds, trees or grasses.
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Detailed information on pollen allergy, also called hay fever, including information on which plants produce the most pollen and allergic rhinitis prevention during pollen season
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Bee PollenOther Name(s):pollenGeneral Description:Pollen is found in flowering plants. Bees collect pollen while they are searching for nectar.
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