Historical disease and possible hair loss etiologie

Systemic / Chronic Illness

e.g., Autoimmune disorder, Cancer.
Consider : Alopecia Areata, Cicatricial Alopecia, Telogen Effluvium

Infection (Systemic or Local)

Consider : Cicatricial Alopecia, Telogen Effluvium, Tinea Capitis

hair loss

Medication exposure or serious illness

Medication exposure (especially chemotherapy) or serious illness within previous three to four months
Consider : Telogen Effluvium

Psychiatric disorder

e.g., Psychosis, Anxiety, Obsessive compulsive disorder
Consider : Trichotillomania

Psychiatric stress or life-threatening psychologic stress

e.g., Surgery, Pregnancy, Malnutrition
Consider : Telogen Effluvium

Tight braids or Pulled-back hairstyle

Consider : Traction Alopecia

Signs and symptoms of hormonal abnormalities, Hirsutism, Amenorrhea, Infertility, Hypothyroidism, Other endocrinopathies
Consider : Androgenetic Alopecia (women), Alopecia Areata, Telogen Effluvium