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Clinical features of androgenic alopecia in men

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Hair loss in androgenic alopecia is long-standing, slowly progressive condition with a characteristic pattern (1)

  • in majority of men AGA causes balding in the fronto temporal area and the vertex, which can be assessed using the Hamilton-Norwood classification
  • in around 10% of patients, diffuse thinning of the crown with retention of the frontal hairline may be observed (a pattern similar to the Ludwig type observed in women)
  • increased shedding or thinning (or both) during autumn and winter.

Patients may complain of itching and trichodynia initially (1).


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