Summary
Differentials
Uncommon
- Infective endocarditis
- Dental abscesses
- Osteomyelitis
- Prostatitis, acute or chronic
- Cytomegalovirus infection
- Epstein-Barr virus infection
- Coronavirus disease 2019 (COVID-19)
- Rheumatic fever
- Lyme disease
- Chronic myeloid leukaemia
- Hodgkin's lymphoma
- Non-Hodgkin's lymphoma
- Metastatic carcinoma, primary unknown
- Renal cancer
- Colorectal cancer
- Pancreatic cancer
- Hepatocellular carcinoma
- Myelodysplastic syndrome
- Adult-onset Still's disease
- Polymyalgia rheumatica
- Giant cell arteritis
- Systemic lupus erythematosus
- Crohn's disease
- Ulcerative colitis
- Rheumatoid arthritis
- Reactive arthritis
- Drug-induced fever
- Cirrhosis, complicated
- Hepatitis
- Deep vein thrombosis
- Sarcoidosis
- Familial Mediterranean fever
- Malaria
- Typhoid fever
- Rocky Mountain spotted fever
- Ascariasis
- Tularaemia
- Brucellosis
- Psittacosis
- Q fever
- Phaeochromocytoma
- Hyperthyroidism
- Munchausen syndrome
- Dengue fever
Contributors
Authors
Alan R. Roth, DO, FAAFP
Chairman
Jamaica Hospital Medical Center
Albert Einstein College of Medicine
Family Medicine Residency Program Jamaica
New York
NY
Disclosures
ARR is an author of a reference cited in this topic.
Gina M. Basello, DO
Program Director
Jamaica Hospital Medical Center
Albert Einstein College of Medicine
Family Medicine Residency Program Jamaica
New York
NY
Disclosures
GMB is an author of a reference cited in this topic.
Peer reviewers
Sheldon Morris, MD
Assistant Clinical Professor
Department of Medicine
UCSD
AVRC
San Diego
CA
Disclosures
SM declares that he has no competing interests.
Brian Pearlman, MD
Assistant Clinical Professor
Department of Internal Medicine
Atlanta Medical Center
Atlanta
GA
Disclosures
BP declares that he has no competing interests.
A. Sahib El-Radhi, MRCPCH, FRCPCH, DCH, PhD
Consultant Paediatrician
Honorary Senior Lecturer
Chelsfield Park Hospital
Chelsfield
Orpington
UK
Disclosures
ASER declares that he has no competing interests.
Guidelines
- Fever of unknown origin
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