International journal of dermatology
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Trichodynia refers to pain, discomfort, and/or paresthesia in the skin of the scalp or the hair. There may be an associated psychologic comorbidity. Although androgenetic alopecia (AGA) and telogen effluvium (TE) are different entities in terms of pathogenesis, etiology, and clinical picture, both may be influenced by psychologic stress and may be the cause of secondary stress. ⋯ Trichodynia is a common symptom in patients with TE and AGA, and often coexists with psychopathologic findings, including depression, obsessive personality disorder, and anxiety.