Genetics, hormonal imbalances, stress, nutritional deficiencies, medical conditions (thyroid,
autoimmune), medications (chemotherapy).
Clinical exam, pull test, trichoscopy, blood tests (iron, thyroid), scalp biopsy if needed.
Clinical exam, pull test, trichoscopy, blood tests (iron, thyroid), scalp biopsy if needed.
Laboratory tests for anemia, thyroid, autoimmune markers. Biopsy differentiates scarring vs.
non-scarring alopecia.