Health TopicsInfections and infectious diseases

Infections and infectious diseases

Find out everything you need to know about infections, including symptoms, treatment, causes, management and more.

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5 reasons people tend to get sick in the fall
Anyone spending more time inside is at risk of catching a cold—or something worse.

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Learn the best time to get your flu shot—and 5 other important facts
Get the facts—and avoid common myths—so you can avoid getting the flu this season....

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Spot the warning signs of Lyme disease
Symptoms of this infection spread by ticks may be subtle, but it's important to catch them early.

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Is it Lyme disease, or something else?
Not everyone with this infection spread by ticks develops a 'bull’s-eye' rash. Here’s what you need ...

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How to clear a stuffy nose and congestion
Find out what OTC medicine to skip when you have a cold—and what to do instead.

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Recognizing the signs of sepsis
This severe infection can lead to long-term complications—and even death—if not treated quickly and ...

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C. diff: what you need to know
Learn the facts about this drug-resistant bacteria that can be caused by antibiotics—and treated by ...

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How to exercise safely during cold and flu season
Learn whether you should you work out when you’re sick—plus, get tips to help prevent catching and s...

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Can exercise keep you from getting sick?
Getting regular physical activity could lower your risk of cold or other infections, and help ease y...

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Enterovirus D68: what parents need to know
Learn what this virus is, symptoms to watch for, how it's treated, and ways to protect children from...