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Alopecia areata: diagnosis, counselling, and primary care actions

A Canadian clinical summary of alopecia areata: diagnosis, counselling, and primary care actions, with source-attributed priorities and explicit jurisdiction boundaries.

JurisdictionCanada
Source check2026-08-20
Clinical reviewiatroX editorial team 路 Clinical editorial review 路 reviewed 2026-08-20 路 due 2027-08-20
AudienceHealthcare professionals practising in Canada
This is an iatroX educational summary of named Canada sources, not an official guideline. It does not replace the complete source documents, local policy, specialist advice or clinical judgement. The evidence source is pan-Canadian, but formularies, funded access, referral routes, public-health directions and service availability remain provincial or territorial.

Source and scope

This summary is bounded to the recommendations, population and decisions covered by A consensus-based treatment algorithm for alopecia areata in adolescents and adults. Apply it with the current provincial or territorial pathway where implementation differs.
sources for this section:Canadian AA consensus

Source-attributed clinical priorities

  • Confirm nonscarring patchy hair loss and examine scalp, body hair and nails while excluding fungal and scarring disease.
  • Assess extent, activity, autoimmune comorbidity and psychological impact before selecting observation or treatment.
  • Refer extensive, rapidly progressive, diagnostically uncertain or highly distressing alopecia.
  • Exclamation-mark hairs, nail pitting and nonscarring patches support alopecia areata, but fungal and scarring loss must be excluded.
sources for this section:Canadian AA consensus

Practical assessment and management workflow

1
Record onset, activity, body sites, nail change, autoimmune history and psychological impact.
2
Examine scalp and hair shafts with dermoscopy and test for fungus or other disease when uncertain.
3
Discuss observation, local anti-inflammatory treatment and specialist systemic options by extent and age.
4
Photograph consistently and monitor regrowth, relapse and treatment toxicity.
sources for this section:Canadian AA consensus

Safety, red flags and urgent escalation

  • Scarring, scale, pustules or inflammation requires prompt diagnostic assessment to prevent permanent loss.
  • Screen severe distress, school or work impact and self-harm risk.
  • Avoid systemic immunomodulation without infection, pregnancy, laboratory and malignancy risk review.
sources for this section:Canadian AA consensus

Confirm the local pathway before acting

The evidence source is pan-Canadian, but formularies, funded access, referral routes, public-health directions and service availability remain provincial or territorial.
sources for this section:Canadian AA consensus

Source and implementation boundary

Read this educational summary with the linked source, current Canadian product information where medicines are involved, and the applicable provincial or territorial pathway. Local formularies, reporting duties, referral routes and service availability can differ.
sources for this section:Canadian AA consensus

Source documents

Use the linked source documents for complete recommendations, evidence grading, exclusions and implementation detail.

  1. Canadian Alopecia Areata Consensus PanelA consensus-based treatment algorithm for alopecia areata in adolescents and adultsaccessed 2026-08-20
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