Alopecia

Reviewed 06/2017
 


BASICS

DESCRIPTION

  • Alopecia: absence of hair from areas where it normally grows

    • ▪ Anagen phase: growing hairs, 90% scalp hair follicles at any time, lasts 2 to 6 years
    • ▪ Catagen phase: regression of foll...

DIAGNOSIS

HISTORY

  • Description of hair loss problem: rate of loss, duration, location, degree of hair loss, other symptoms including pruritus, infection, hair care, and treatments

  • Medications

  • Medical illn...

TREATMENT

GENERAL MEASURES

  • Consider potential harms and benefits to the patient prior to treatment. Many will gain an improved quality of life that is of benefit 3[A].

  • Stop any possible medication cause...

ONGOING CARE

DIET

If nutritional deficit noted, supplementation may be necessary. 

PATIENT EDUCATION

National Alopecia Areata Foundation: www.naaf.org 

PROGNOSIS

  • Androgenic alopecia: Prognosis depends on r...

REFERENCES

Alkhalifah  A. Alopecia areata update. Dermatol Clin.  2013;31(1):93–108. [View Abstract on OvidInsights]
Banka  N, Bunagan  MJ, Shapiro  J. Pattern hair loss in men: diagnosis and me...

ADDITIONAL READING

Otberg N. Primary cicatricial alopecias. Dermatol Clin.  2013;31(1):155–166.  

SEE ALSO

  • Tinea (Capitis, Corporis, Cruris); Syphilis; Lupus Erythematosus, Systemic (SLE); Polycystic Ovarian Syndrome (PCOS); Lichen Planus; Hyperthyroidism

  • Algorithm: Alopecia

CODES

ICD10

  • L65.9 Nonscarring hair loss, unspecified

  • L64.9 Androgenic alopecia, unspecified

  • L63.9 Alopecia areata, unspecified

  • L63.0 Alopecia (capitis) totalis

  • L63.1 Alopecia universalis

  • L64.8 Other androge...

CLINICAL PEARLS

  • History and physical are necessary in determining type of alopecia for appropriate treatment.

  • Treatment of underlying medical condition or removal of triggering medication will often re...

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