Courtesy: Prof Nabil Ebraheim, University of Toledo, Ohio, USA
Herpetic Whitlow
Overview
- Herpetic whitlow is a viral infection of the finger, most commonly the fingertip
- Caused by:
- Herpes simplex virus infection
Nature of Disease
- Usually:
- Self-limiting
- Resolves without major complications
Causes and Transmission
- Occurs via direct contact with infected secretions
Common Routes
- Contact with oral herpes lesions
- Exposure to respiratory secretions
- Autoinoculation from existing herpes infection
High-Risk Groups
- Dentists
- Respiratory therapists
- Anesthesiology personnel
- Healthcare workers managing airways
Children
- Common in:
- Thumb-sucking children
Clinical Features
Early Symptoms
- Burning pain
- Tingling sensation
Typical Findings
- Clustered fluid-filled vesicles
- Redness and swelling
- Tender fingertip
Important Feature
- Vesicular fluid is:
- Clear (not pus)
Diagnostic Findings
- Gram stain:
- Negative for bacteria
Tzanck Smear
- Shows:
- Multinucleated giant cells
Clinical Note
- Helps confirm viral etiology
Treatment
Conservative Management (Mainstay)
- Symptomatic care
- Antiviral therapy
Medication
- Acyclovir
Important Treatment Consideration
- Surgical drainage is contraindicated
Reason
- May:
- Worsen infection
- Increase complications
Key Clinical Points
- Viral infection — NOT bacterial abscess
- Presents with:
- Clustered vesicles
- Burning pain
Diagnostic Clue
- Clear fluid (not purulent)
Management Principle
- Treat medically, never surgically
Final Message
- Recognizing herpetic whitlow is critical to:
- Avoid unnecessary incision and drainage
- Prevent worsening of the condition
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