Allergic Rhinitis
Allergic Rhinitis may be seasonal, if we are sensitive to pollen during the hay fever season, or occasional if it's an allergy to a particular substance, like animal fur. This causes itching and sneezing as well as running and congestion. If we are sensitive to something that's present all-year-round, like house dust mite, then it is perennial rhinitis. The symptoms may be helped if we avoid whatever it is we're allergic to, but this is often not possible. There are treatments available which will suppress the activity of the mucous membrane, and antihistamines might help. Some of the topical agents used can cause the problem to get worse once we stop using them. In severe cases an operation to reduce the area of mucous membrane might help.
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