title: A single question can make the diagnosis.
abstract: Alopecia areata is the only condition that can cause complete hair loss in 3 months without symptoms or signs.
authors: Department of Dermatology, University of California San Francisco, San Francisco, California, USA.
authors: Vera H
authors: VH
authors: Price
mesh_terms: D000506:Alopecia Areata / Q000175:diagnosis*; D005260:Female; D006197:Hair / Q000254:growth & development; D006801:Humans; D008487:Medical History Taking; D008875:Middle Aged; D013997:Time Factors