Fever of unknown origin
About Fever of unknown origin
A temperature above 101.5 F (38.3 C) on at least four occasions over a 14 day period without explanation. Most people with fevers of unknown origin are eventually diagnosed with infections, cancers or an autoimmune disease.Symptoms
Fever. Other symptoms may include weakness, chills, uncontrollable shivering (rigors), body aches, dizziness. Other symptoms (such as rash or enlarged lymph nodes) are highly variable and depend on the cause.Tests & Diagnostics
A history and physical exam will be performed. Lab and imaging tests are usually performed to identify a source of infection or another cause of fever.Common tests: Complete blood count (CBC), Comprehensive metabolic panel (CMP), EKG, Lipase, Urinalysis (UA), X-ray.
OTC sleep aids and supportive treatments
Conventional treatment summary
Treatment includes antipyretics (acetaminophen/Tylenol, ibuprofen/Motrin), treatment of the underlying cause when found.Medical specialties
Internal Medicine · Pediatrics · Family Practice · Infectious Disease Medicine · Pediatric Infectious Disease Medicine
This page is educational content, not medical advice. Always consult a qualified clinician for diagnosis and treatment of Fever of unknown origin.