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Alopecia

Anastasia Gevas, DO and Kelli Gevas, MD Reviewed 06/2018
 


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 follic...

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 (2)[A].

  • Stop any possible medication cau...

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

1
1 Alkhalifah A. Alopecia areata update. Dermatol Clin.  2013;31(1):93–108. {L-End} {L-End} [View Abstract on OvidMedline]
2
2 Blumeyer A, Tosti A, Messenger A, et al; for European De...

ADDITIONAL READING

Otberg N. Primary cicatricial alopecias. Dermatol Clin.  2013;31(1):155–166. {L-End} {L-End} [View Abstract on OvidMedline] 

SEE ALSO

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

  • 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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