Concept | Definition |
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Allergic rhinitis | If untreated hay fever threatens Asthma Just a few grains of pollen from hazel, alder or birch are enough to trigger a violent immune system reaction in an allergy sufferer. After the first contact with the allergen in question, the next contact releases histamines in the body, which lead to a defensive reaction. The mucous membrane of the nose and the conjunctiva of the eyes are primarily affected. This leads to inflammation with swollen mucous membranes, watery eyes, a runny nose and sneezing attacks. |