Winter is the peak season for fever cough and cold. A rise in your body temperature can be the result of bacteria or viruses which thrive in particular whether or climatic condition. However a few lesser known diseases and conditions can also cause fever. In most of these cases the infection is self-limiting and the body temperature dips within a few days or a week. However if the fever persists beyond a week it could be an indicator of some other serious underlying condition that needs immediate attention. Even if the fever is low-grade it consults a doctor at the