Effectiveness of Botulinum Toxin Type A for Trichodynia Associated with Hair Loss Disorders: A Retrospective Study

    June 2026 in “ Dermatology and Therapy ”
    David Saceda-Corralo, Adrián Imbernon-Moya, Juan Jimenez-Cauhe … S Vañó-Galván
    Studysummary In this retrospective analysis, patients with trichodynia who were unresponsive to standard treatments showed significant symptom improvement after receiving intradermal botulinum toxin type A, with nearly all patients benefiting, particularly those with scarring alopecia.
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    Research cited in this study 8

    1. Botulinum Toxin in the Treatment of Hair and Scalp Disorders: Current Evidence and Clinical Applications Toxins · 2025
    2. Pruritus in Lichen Planopilaris and Frontal Fibrosing Alopecia: Clinical Characteristics and Dermoscopic Correlations Journal of Clinical Medicine · 2024
    3. Health-Related Quality of Life (HRQoL) Among Patients With Primary Cicatricial Alopecia (PCA): A Systematic Review Journal of the European Academy of Dermatology and Venereology · 2023
    4. Sensitive Scalp And Trichodynia: Epidemiology, Etiopathogenesis, Diagnosis, And Management Skin Appendage Disorders · 2023
    5. Refractory Trichodynia Treated Using Onabotulinumtoxin-A Pain Medicine · 2020
    6. Trichodynia: A Review of the Literature International Journal of Dermatology · 2015
    7. Frontal Fibrosing Alopecia and Increased Scalp Sweating: Is Neurogenic Inflammation the Common Link Skin Appendage Disorders · 2015
    8. Probing the Effects of Stress Mediators on the Human Hair Follicle American Journal of Pathology · 2007