How long does a fever last when it is caused by a virus?

Answer by  prasenjitdg (25)

A viral fever usually lasts between two and three days, but in some cases might last a week. If the fever is persistent, check for a possible bacterial infection.

Answer by  benjiross (993)

Typically, a viral fever lasts about 3 - 5 days. After the third day the fever becomes lesser and you feel better. A fev4er that lasts longer needs a doctor visit.

Answer by  Anonymous

Before giving any advice, perhaps one should explain his/her qualifications to so so, along with the answer

Answer by  aearthdragon (471)

That is difficult to answer. Usually fever ends when the person is no longer transmissable. For some it might be days and others might be weeks.

Answer by  dr84bhl (2789)

A mild fever normally lasts from twenty four up to forty eight hours , the virus could last up to a week