Newsflash: It may not be stomach flu.

That bout of “stomach flu” that wiped you out for a week? It might really have been food poisoning. Cases aren’t necessarily tied to multistate outbreaks caused by the dairy foods, meat products, flour and raw veggies most recently investigated by the Centers for Disease Control and Prevention. Many episodes are isolated. “Most of the time, it’s a mystery where that food poisoning arose from, or exactly when the infection occurred,” says Dr. Anthony Ng, a gastroenterologist with GI Health, a New York City practice. When food poisoning hits, nurse yourself back to health with these tips.

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10 Ways to Get Over Food Poisoning originally appeared on usnews.com

Update 04/11/17: This story was originally published on April 5, 2016.