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A 29-year-old member asked:

How severe is infectious mononucleosis?

2 doctor answers4 doctors weighed in
Dr. Larry Lutwick
Infectious Disease 49 years experience
Usually not: Most people with mono are much better after 1-2 weeks but may have times of fatigue on and off.
Dr. Tony Ho
Dr. Tony Hoanswered
Infectious Disease 14 years experience
Depends: The core symptoms of fever and sore throat often resolve within a couple of weeks; however, the fatigue can last for months. Unfortunately, there is no efficacious way to treat the fatigue, as it's a sequela of the infection and not evidence of continued infection; that is, even if you had an antiviral for it, there would be no benefit.

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Last updated Apr 25, 2018

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