If You Get the Flu, When Should You Go to the ER?

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Emergency rooms around the U.S. are crowded with flu patients as the country experiences one of the most intense flu seasons in years, according to news reports. But if you do catch the flu, how do you know if you need to go to the ER?

Most patients with the flu will recover on their own without medical care. But in some cases, the flu can be life-threatening, and so it's important to know how to recognize signs of a flu emergency, according to the American College of Emergency Physicians (ACEP).

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Rachael Rettner
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Rachael is a Live Science contributor, and was a former channel editor and senior writer for Live Science between 2010 and 2022. She has a master's degree in journalism from New York University's Science, Health and Environmental Reporting Program. She also holds a B.S. in molecular biology and an M.S. in biology from the University of California, San Diego. Her work has appeared in Scienceline, The Washington Post and Scientific American.