A member asked:

So i've been running a fever for 2 weeks and every test has came back negative i'm on doctor care but i don't know but i was 102 and now i'm 98

3 doctors weighed in across 2 answers
Dr. David Lipkin answered

Specializes in Internal Medicine

Mild virus: The most common cause of fever without an obvious cause is a self limited viral infection. Such fevers usually resolve within 2-3 weeks without treatment. Fever lasting longer than 3 weeks without an obvious cause is termed a fever of unknown origin(FUO). There are numerous possible causes of FUO> see: http://bit.ly/1xlhiYT

Answered 11/28/2017

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Dr. Stuart Hickerson answered

Specializes in Family Medicine

Fever unkown origin: This would be classified a fever of unknown origin and this can be hundreds of things. Some of the top reasons are the following: abdominal or pelvic abscess, dental abscess, endocarditis, sinusitis, TB, UTI, CMV,EB virus, colon CA, luekemia, lymphoma, drugs, clot, thyroid its, RA, Lupus, Crohns,

Answered 7/1/2016

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