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Diagnosing night sweats
Anthon J Viera1, Michael M Bond, Scott W Yates
1Family Practice Department, Naval Hospital Jacksonville, Jacksonville, Florida 32214-5005, USA.
American Family Physician
|March 20, 2003
Summary
Night sweats are a common symptom with many potential causes beyond tuberculosis or lymphoma. A thorough medical evaluation, including history, physical exam, and targeted tests, is crucial for accurate diagnosis and treatment.
Area of Science:
- Internal Medicine
- Clinical Diagnostics
Background:
- Night sweats are a frequent outpatient complaint with limited existing literature.
- While tuberculosis and lymphoma are classic causes, they are less common in contemporary practice.
Purpose of the Study:
- To review the differential diagnosis of night sweats.
- To outline diagnostic approaches for patients presenting with night sweats.
Main Methods:
- Literature review of common and rare causes of night sweats.
- Discussion of diagnostic workup including history, physical examination, and investigations.
Main Results:
- Common causes include human immunodeficiency virus, gastroesophageal reflux disease, obstructive sleep apnea, and hyperthyroidism.
- Medications and substance abuse are also identified as potential etiologies.
- Serious conditions can be ruled out through a systematic diagnostic process.
Conclusions:
- A comprehensive history and physical examination are essential first steps.
- Further investigations may include purified protein derivative testing, complete blood count, HIV testing, thyroid-stimulating hormone levels, erythrocyte sedimentation rate, chest radiography, and advanced imaging or biopsy if indicated.