See what questions
a doctor would ask.
FUO: Fever of unknown origin (fever without known cause). See detailed information below for a list of 165 causes of FUO, Symptom Checker, Assessment Questionnaire, including diseases and drug side effect causes.
The following medical conditions are some of the possible
causes of FUO.
There are likely to be other possible causes, so ask your doctor
about your symptoms.
Home medical tests possibly related to FUO:
Listed below are some combinations of symptoms associated with FUO, as listed in our database. Visit the Symptom Checker, to add and remove symptoms and research your condition.
Some of the possible treatments listed in sources for treatment of FUO may include:
Review further information on FUO Treatments.
Real-life user stories relating to FUO:
Symptom specific forums: The following patient stories in our interactive forums and message boards relate to FUO or relevant symptoms:
Various tests are used in the diagnosis of FUO. Some of these are listed below :
The following drugs, medications, substances or toxins are some of the possible
causes of FUO as a symptom.
Always advise your doctor of any medications or treatments you are using,
including prescription, over-the-counter, supplements, herbal or alternative treatments.
Some of the comorbid or associated medical symptoms for FUO may include these symptoms:
Research the causes of these more general types of symptom:
Research the causes of these symptoms that are similar to, or related to, the symptom FUO:
During a consultation, your doctor will use various techniques to assess the symptom: FUO. These will include a physical examination and possibly diagnostic tests. (Note: A physical exam is always done, diagnostic tests may or may not be performed depending on the suspected condition) Your doctor will ask several questions when assessing your condition. It is important to openly share any pertinent information to help your doctor make an accurate diagnosis.
It is also very important to bring an up-to-date list of all of your all medical conditions, medications including dosages, and names of numbers of any specialist you see.
Create your printable checklist here.
Read more about causes and FUO deaths.
Whooping cough often undiagnosed: Although most children in the Western world have been immunized against whooping cough (also called "pertussis"), this protection wears off after about 15 years. Thus, any teen or adult...read more »
Other ways to find a doctor, or use doctor, physician and specialist online research services:
Other medical conditions listed in the Disease Database as possible
causes of FUO as a symptom include:
Fever in which the etiology cannot be ascertained.
- (Source - Diseases Database)
The list of organs typically affected by FUO may include, but is not limited to:
The list below shows some of the causes of FUO mentioned in various sources:
This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of FUO. Of the 165 causes of FUO that we have listed, we have the following prevalence/incidence information:
The following list of conditions have 'FUO' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.
Select from the following alphabetical view of conditions which include a symptom of FUO or choose View All.
Ask or answer a question about symptoms or diseases at one of our free interactive user forums.
Medical story forums: If you have a medical story then we want to hear it.
This information shows analysis of the list of causes of FUO based
on whether certain risk factors apply to the patient:
Depending on the seriousness of the onset of FUO, you may want to consult one of the following medical professionals.
Important:In extreme cases, always seek advice from emergency services :
Medical Conditions associated with FUO:
Fever (2274 causes), Common symptoms (8589 causes), Temperature symptoms (2497 causes), Sick (5751 causes), Body symptoms (5672 causes), Pain (6458 causes), Sensations (6520 causes), Skin symptoms (5992 causes), Brain symptoms (2787 causes), Neurological symptoms (9575 causes), Skin problems (3422 causes), Sensory symptoms (7134 causes), Nerve symptoms (9132 causes), Head symptoms (10192 causes)
Symptoms related to FUO:
Fever (2274 causes), Infection (1293 causes), High fever (84 causes), Chronic low-level infection, AIDS, Tuberculosis, Leukemia, Subacute bacterial endocarditis (SBE), Cancer, Abscess (44 causes), Drug side effect, Malaria, Amebiasis
Doctor-patient articles related to symptoms and diagnosis:
These general medical articles may be of interest:
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