And how to prevent it from happening in the first place.
It’s happened to all of us: You muster up the courage to brave the cold and complete that first winter-weather run. But as soon as you get home, you have a cough. Is it a cold? Is it from the run? These questions are normal. Below, we unpack why coughing after running in cold weather happens and provide some doctor-approved ways to prevent it from occurring in the first place.Some people cough when exercising in cold weather, but have no problems in the summer or warmer seasons.
I see it frequently in competitive Nordic skiers who are training and competing at high exertion levels that require high respiratory rates to supply oxygen to the active leg and arm muscles, especially when they are training at higher altitudes where the air is usually very dry. The cough can begin during exercise or shortly after the exercise session ends and can last for several hours. The bronchospasm is thought to be caused by drying of the airways and/or cooling of the airways resulting in changes in the concentration of intracellular contents and/or release of pro-inflammatory mediators that promote the changes in the airway.There are several ways to test for this condition that involve some form of inhaling dry air.
If you already have the cough and suspect it is cold-induced, just take a few rest days, and it should resolve itself on its own.On the other hand, an exercise-induced cough may be a marker for asthma, since both dry air and cold air are triggers for asthma attacks. While it is possible to have a bronchospasm only during exercise, it is important to remember that nearly everyone with asthma will have exercise-induced asthma if pushed hard enough, even fit runners. If you cough during winter running, it may be important to meet with your physician to determine if you have underlying asthma, and see if you are a candidate for intervention with medication.
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