Causes for Long-lasting Fever
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Transcript of Causes for Long-lasting Fever
Causes for Long-lasting Fever
Fever for more than 3 weeks
Known as
Pyrexia of Unknown Origin (PUO)
•Fever persisting above 38. 0 0C •for more than 3 weeks •with no clear diagnosis •despite intelligent and intensive investigation.
Major Causes
2/3 of cases• Infection
Other 1/3• Malignancy • Autoimmune rheumatic disorders• Vasculitides• Miscellaneous
Infective Causes
General Specific
Infective Causes - General Infections
Abscesses
• Hepatobilliary• Abdomen• Pelvis• Ear• Sinus• Dental
Infective endocardiatis
Urinary tract infection
Infective Causes - Specific Infections
BacterialViral
ProtozoalRickettsial diseases
Chalmydophilia
•Myobacterium tuberculosis•Salmonella typhi / Salmonella paratyphi•Brucella spp.•Leptospirosis•Lyme disease
Bacterial
•HIV•Epstein Barr virus (EBV)•Dengue fever•Hepatits•Cytomegalovirus (CMV)
Viral
•Malaria•Amoebiasis•Leishmannia spp.•Toxoplasmosis•trypanosomiasis
Protozoal
• Typhus• Q feverRickettsial diseases
• Psittacosis
Chalmydophilia
Malignancy ~ 20%
•Lymphoma •Leukaemia•Myeloma
Haematological malignancy
•Renal •Liver •Colon•Stomach•Pancreas
Solid tumours
Autoimmune Rheumatic Disorders
Fibromyalgia
Gout
Infectious arthritis
Juvenile idiopathic arthritis
Lupus
Osteoarthritis
Miscellaneous
Cardiovascular
Respiratory
Gastrointestinal
Endocrine/ metabolic
Haematological
Inherited
Drug reactions
Idopathic
Cardiovascular
• Arial myxoma
• Aortitis
• Aortic dissection
Respiratory
Gastrointestinal
Endocrine/ metabolic
Haematological
Inherited
• Familial Mediterranean fever• Periodic fever syndrome
Drug reactions
• Antibiotic fever• Drug hypersensitivity reactions
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