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If the patient has or had... |
Consider... |
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Systemic/chronic illness
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Alopecia
areata, |
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Infection (systemic or local) |
Cicatricial alopecia, telogen effluvium, tinea capitis |
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Medication exposure (especially chemotherapy) or serious illness within previous three to four months |
Telogen effluvium |
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Psychiatric disorder (e.g., psychosis, anxiety, obsessive compulsive disorder) |
Trichotillomania |
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Physical stress (e.g., surgery, pregnancy, malnutrition) or life-threatening psychologic stress |
Telogen effluvium |
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Tight braids or "pulled-back" hairstyle |
Traction alopecia |
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Signs and symptoms of hormonal
abnormalities |
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