Sinusitis is most often the result of a viral infection that causes the mucous membrane lining the inside of the nose and the sinuses to become inflamed.
Your risk of developing sinusitis increases if you have recently had a cold, another viral or bacterial infection, or an upper respiratory tract infection. Also, chronic nasal allergies (allergic rhinitis) can lead to si
The major risk factor for atopic dermatitis is having a family history of the condition. You are also at risk for developing atopic dermatitis if family members have asthma, allergic rhinitis, or other allergies.
Scientists have revised their theories about how and why allergies are on the rise.
While allergies of one sort or another are common, so are misconceptions about allergies. Here are some of the most common.
Seasonal allergies may signal predisposition to depression.
Some people have anaphylaxis signs and symptoms that aren't triggered by an allergic reaction.
It is possible to have an allergy to cold temperatures. Learn about symptoms, treatments.
Asthma and allergies? Find out how to control both conditions.
Surprising news about allergies and pets, race, genes and peanuts.
Food allergies can cause severe reactions, but it can be hard to know if you're eating a dish with ingredients you're allergic to.
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