Presents with bald spots in various sites: scalp, face, arms, legs, and pubic areas
Scalp is the most common, usually with associated eyebrow and eyelash involvement
Usually with bizarre-shaped patches of alopecia and different hair lengths due to breaking off at different points
Recurrent pulling out of one's hair, resulting in hair loss
Repeated attempts to decrease or stop hair pulling
The hair pulling causes significant distress and impairment in at least one important area of functioning
The hair pulling or hair loss is not attributable to another medical condition
The hair pulling is not better explained by the symptoms of another mental disorder (eg, attempts to improve a perceived defect or flaw in appearance in body dysmorphic disorder)
Trichotillomania
Tinea capitis
Pellagra
Alopecia areata
Tinea corporis
Monilethrix
Lichen planus
Trichinosis