A fever of Unknown Origin or FUO is where the body temperature is 101°F that occurs frequently or lasts for over three weeks. Early diagnosis of the condition is always recommended. There are various types into which FUO is classified.
People who were previously healthy are mostly affected by classic FUO. Some common causes of this FUO include neoplasms or infections like leukemia, or disease affecting the connective tissue.
This type of FUO is seen due to hospitalization. The patient is hospitalized for some other reason but experiences unexplained fever. The common causes of nosocomial FUO include sinusitis, enterocolitis, pulmonary embolism, deep vein thrombosis or septic thrombophlebitis.
HIV causes unexplained fevers frequently, and the affected person is also at risk of other infection, causing fevers.
Typical symptoms of FUO are:
If the fever continues for more than three days, you must see a doctor and get a proper diagnosis as it can be an FUO. The general physician will carry out some tests to understand the cause of your fever and get the treatment started based on the symptoms.
