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A 42-year-old member asked:

For what length of time do mono symptoms last?

2 doctor answers3 doctors weighed in
Dr. Heidi Fowler
Psychiatry 25 years experience
Mononucleosis: If you have mononucleosis the fever usually resolves within about 10 days. Swelling of lymph nodes & organs usually resolves within about a month. You may have fatigue from several weeks to several months.
Dr. James Ferguson
Pediatrics 46 years experience
Varies: Traditional mono is caused by the EB virus.After a primary illness of 2-3 wks(most) to 2-3 mo (few) you are immune and will not get EB mono again. Some common blood tests for this condition will remain positive for years, but not those specific to new infection.There are other germs that can cause a mono syndrome. If you are continuously ill a more thorough evaluation would be wise.

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A 43-year-old member asked:

For what length of time are the symptoms active for mono?

2 doctor answers7 doctors weighed in
Dr. Heidi Fowler
Psychiatry 25 years experience
Variable: If you have mononucleosis the fever usually resolves within about 10 days. Swelling of lymph nodes & organs usually resolves within about a month. You may have fatigue from several weeks to several months. You may be contagious for several months (even is asymptomatic).

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Last updated May 1, 2017

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