About this topic
Fever of unknown origin is a high temperature without a known cause. It is sometimes called FUO. You may have FUO if you have: ‚
- Temperature higher than 100.4 ‚ °F or 38 ‚ °C on many occasions. This can be all the time or on and off.
- Have had a fever for over 3 weeks
- No clear reason for your fever
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What are the causes?
There is no single cause of FUO. Here are some of the possible causes: ‚
- Infection
- Cancer
- Illnesses of the connective tissue
- Hormone problems
- Certain drugs
How does the doctor diagnose this health problem?
Your doctor will do an exam and may order: ‚
- Blood tests
- X-ray
- Ultrasound
- CT or MRI scan
- Positron emission tomography (PET)
- Biopsy
How does the doctor treat this health problem?
The doctor will treat your FUO based on what is causing it. You may be asked to stop or start certain drugs. Talk with your doctor about what kind of care you will need. ‚
In some cases, surgery may be an option, based on the cause of your fever. Your doctor will tell you if you need to have surgery. ‚
What drugs may be needed?
The doctor may order drugs to: ‚
- Lower fever
- Prevent infection
- Give supplements like multivitamins and minerals
Talk to your doctor about what drugs you may need to take. ‚
What can be done to prevent this health problem?
There are many causes of FUO. These tips may help prevent it: ‚
- Eat a healthy diet. Get some exercise each day. This can help make your immune system stronger.
- Take extra care if you are traveling abroad. Check with a public health doctor to learn more about how to keep you healthy.
- Most fevers come from an infection. These can help prevent the spread of infection:
- Wash your hands often.
- Stay away from sick people.
- Have regular flu shots.
Where can I learn more?
American Family Physician ‚
http://www.aafp.org/afp/2003/1201/p2223.html ‚
Consumer Information Use and Disclaimer
This information is not specific medical advice and does not replace information you receive from your health care provider. This is only a brief summary of general information. It does NOT include all information about conditions, illnesses, injuries, tests, procedures, treatments, therapies, discharge instructions or life-style choices that may apply to you. You must talk with your health care provider for complete information about your health and treatment options. This information should not be used to decide whether or not to accept your health care providers advice, instructions or recommendations. Only your health care provider has the knowledge and training to provide advice that is right for you. ‚
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Copyright ‚ © 2015 Clinical Drug Information, LLC and Lexi-Comp, Inc. ‚