The flu, with its characteristic symptoms of muscle ache, fatigue, fever, chills, and congestion, can make you feel miserable.Depending on the severity of the strain, the flu has the potential to make you feel sick for days or weeks. For some, the flu can even prove to be fatal. Once the flu hits, there's very little you can do to alleviate the symptoms and shorten the virus’s life cycle. Therefore, the best treatment for the flu is prevention. Preventing the flu can be difficult, as prevention requires conscientiousness and consistency during cold and flu season.