![]() This leads to mucus draining down the throat and triggering a cough. Postnasal drip, or upper airway cough syndrome, can occur anytime the nose or sinuses become irritated or inflamed. But taking medication to reduce cough, inflammation, and mucus may be helpful for relieving symptoms. This type of persistent cough will usually resolve on its own. In most cases in which reactive airways are the cause, all X-rays and tests will be normal. Or it may be caused by the body’s increased mucus production. It may be due to the nerves in your airways, or the airways themselves becoming more sensitive. This can make your airways sensitive and hyperreactive, making you cough. Sometimes your airways can become inflamed after an upper respiratory infection. ![]() ![]() Reactive airways after an upper respiratory infection Here are the eight most common reasons you might have a persistent cough. The good news is, with proper evaluation of your cough, your healthcare provider can usually treat it. There are many reasons for a lingering cough, most of which aren’t too serious. ![]() What are the most common causes of a persistent cough? This can sometimes be a sign of an infection (like pneumonia) that requires treatment. If you have had an upper respiratory infection and now have a persistent productive cough - meaning you’re coughing up mucus - you need to notify your healthcare provider. It’s common to have a persistent cough that lasts up to 3 weeks after an upper respiratory infection has resolved.Ī persistent dry cough - meaning you aren’t coughing up much mucus - will sometimes go away on its own. View more medications What is a persistent cough?Ī persistent cough is one that has been around for more than 3 weeks. ![]()
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