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Folliculitis

David C. Cadena, Jr., MD Reviewed 06/2019
 


BASICS

DESCRIPTION

  • Inflammation of a hair follicle (1). Subtypes include perifolliculitis and pseudofolliculitis, which occur around the follicle.

  • Can occur anywhere on the body where hair is found

  • Most ...

DIAGNOSIS

HISTORY

  • Recent use of hot tubs, swimming pools, topical corticosteroids, certain hair styling and shaving practices, antibiotics or systemic steroids

  • HIV status

  • History of STDs (specifically sy...

TREATMENT

GENERAL MEASURES

  • Lesions usually resolve spontaneously.

  • Avoid shaving and waxing affected areas (3)[C].

  • Warm compresses may be applied TID.

  • Systemic antibiotics are typically unnecessary.

  • Topical...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

  • Resistant cases should be followed every 2 weeks until cleared.

  • Consider prompt system therapy for worsening cases.

DIET

Caloric monitoring for obe...

REFERENCES

1
Laureano A, Schwartz RA, Cohen P. Facial bacterial infections: folliculitis. Clin Dermatol.  2014;32(6):711–714. [View Abstract on OvidMedline]
2
Song HS, Kim SK, Kim YC. Comparison bet...

ADDITIONAL READING

  • Böer A, Herder N, Winter K, et al. Herpes folliculitis: clinical, histopathological, and molecular pathologic observations. Br J Dermatol.  2006;154(4):743–746. [View Abstract ...

CODES

ICD10

  • L73.9 Follicular disorder, unspecified

  • L66.2 Folliculitis decalvans

  • L73.8 Other specified follicular disorders

  • L01.02 Bockhart’s impetigo

ICD9

  • 704.8 Other specified diseases of hair and hair fol...

CLINICAL PEARLS

  • Folliculitis lesions are typically 1- to 5-mm clusters of pruritic erythematous papules and pustule surrounding hair follicles.

  • Most commonly due to S. aureus. If community has increase...

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