![]() Polyps are caused by swelling, also known as inflammation. Polyps also can form on the lining of the spaces inside the nose and head, called sinuses. These are soft growths that form on the tissue that lines the inside of the nose. If the sinuses become inflamed and swollen, a person may develop sinusitis. Sinuses are cavities around nasal passages. These include diabetes and a problem that happens when the thyroid gland doesn't make enough thyroid hormone. Some long-term health problems can cause nonallergic rhinitis or make it worse. Fumes from compost also can be a trigger. Some common triggers include construction materials and chemicals. In some lines of work, fumes from supplies can cause nonallergic rhinitis to start. Congestion in the nose often gets worse during these times due to hormone changes. A stuffy nose or other symptoms might get worse when the decongestant wears off. Don't use store-bought decongestant drops or sprays oxymetazoline (Afrin, Dristan, others) for more than a few days. Using nose sprays or drops for a long time.That makes it different from allergic rhinitis, which people often have when they're younger than 20. Most people who get nonallergic rhinitis are 20 or older. Smog, exhaust fumes and tobacco smoke are a few of the things that can raise the risk of nonallergic rhinitis. Breathing in some types of unclean air.Things that can make you more likely to get nonallergic rhinitis include: Acid reflux that happens overnight also can be a trigger. Lying on your back while you sleep can trigger nonallergic rhinitis. Hormone problems that may trigger nonallergic rhinitis include a condition that happens when the thyroid gland doesn't make enough thyroid hormone. These can be due to pregnancy, periods or birth control use. And using decongestant nose spray or drops too often can cause a type of nonallergic rhinitis called rhinitis medicamentosa. Birth control pills and medicines that treat erectile dysfunction also can trigger the symptoms. Medicines that have a calming effect, called sedatives, can trigger nonallergic rhinitis too. High blood pressure medicines such as beta blockers also can cause symptoms. These include aspirin and ibuprofen (Advil, Motrin IB, others). Drinking alcohol also can cause the tissue that lines the inside of the nose to swell. Hot or spicy foods are the main triggers. Nonallergic rhinitis can happen when you eat. Illnesses caused by a virus often cause nonallergic rhinitis. Changes in temperature or humidity can trigger swelling in the lining of the nose. So can chemical fumes, including fumes some workers might get exposed to at their jobs. Strong odors such as perfumes also can cause the symptoms to start. These include dust, smog and cigarette smoke. Triggers of nonallergic rhinitis can include: For instance, the nerve endings in the nose might react to triggers too easily.īut any cause brings on the same result: swelling inside the nose, congestion or lots of mucus. These blood vessels fill the tissue that lines the inside of the nose. The exact cause of nonallergic rhinitis is unknown.īut experts do know that nonallergic rhinitis happens when blood vessels in the nose expand.
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