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Fever of unknown origin (FUO) refers to a condition in which the patient has an elevated temperature for which no cause can be found despite investigations by one or more qualified physicians. [ 1 ] [ 2 ] [ 3 ] If the cause is found, it is usually a diagnosis of exclusion , eliminating all possibilities until only the correct explanation remains.
Persistent fever that cannot be explained after repeated routine clinical inquiries is called fever of unknown origin. [7] [54] A neutropenic fever, also called febrile neutropenia, is a fever in the absence of normal immune system function. [55]
An example of such a diagnosis is "fever of unknown origin": to explain the cause of elevated temperature the most common causes of unexplained fever (infection, neoplasm, or collagen vascular disease) must be ruled out. Other examples include: Fibromyalgia [9] Adult-onset Still's disease [10] Behçet's disease [11] Bell's palsy [12]
Fever of unknown origin; Fibromyalgia; G. Geographic tongue; Giant-cell tumor of the tendon sheath; Granuloma annulare; H. Henoch–Schönlein purpura; Hitchhiker's ...
“With the common cold, you might run a fever of 99°F or 100°F,” says Gersch. “Our cutoff in the medical profession from a low-grade fever to a significant fever is generally 100.5°F; once ...
When to see a doctor for a fever. Dr. Ricciardi recommends seeing a doctor for a fever if you have any of these symptoms: The fever lasts for longer than 72 hours. You feel really sick.
An idiopathic disease is any disease with an unknown cause or mechanism of apparent spontaneous origin. [1]For some medical conditions, one or more causes are somewhat understood, but in a certain percentage of people with the condition, the cause may not be readily apparent or characterized.
A mysterious disease with flu-like symptoms has killed dozens of people in the Democratic Republic of Congo, according to health officials there. The unidentified illness has killed 79 people and ...