Herpetic whitlow: Difference between revisions
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==Background== | ==Background== | ||
*[[HSV]] infection of distal finger | *[[HSV]] infection of distal finger | ||
**Usually occurs from contact w/ oral herpes | **Usually occurs from contact w/ oral herpes, or autoinoculation from genital herpes | ||
**Incubation period of 2-20 days, with possible prodrome of fever or malaise | |||
**60% due to HSV-1, 40% due to HSV-2 | |||
==Clinical Features== | ==Clinical Features== | ||
Revision as of 21:59, 25 August 2014
Background
- HSV infection of distal finger
- Usually occurs from contact w/ oral herpes, or autoinoculation from genital herpes
- Incubation period of 2-20 days, with possible prodrome of fever or malaise
- 60% due to HSV-1, 40% due to HSV-2
Clinical Features
- Same burning, pruritic sensation as from other herpes infections
- Vesicular ullae
- Finger may be indurated and tender (but should not be tense, as in a felon)
Diagnosis
- If unsure of diagnosis can unroof a vesicle and send fluid for a Tzanck smear
Differential Diagnosis
Hand and finger infections
- Bed bugs
- Closed fist infection (Fight Bite)
- Hand cellulitis
- Hand deep space infection
- Hand-foot-and-mouth disease
- Herpetic whitlow
- Felon
- Flexor tenosynovitis
- Paronychia
- Scabies
- Sporotrichosis
Look-Alikes
Treatment
- Immobilization, elevation, analgesia
- Acyclovir/valacyclovir may shorten duration of infection
- Prevent autoinoculation or spread to other individuals by applying clean dressing
See Also
Source
- Tintinalli