Linagliptin-Associated Alopecia and Bullous Pemphigoid
  • Ali Someili
    Department of Medicine, McMaster University, Hamilton, ON, Canada
  • Mohannad Abu Hilal
    Department of Medicine, McMaster University, Hamilton, ON, Canada
  • Khalid Azzam
    Department of Dermatology, McMaster University, Hamilton, ON, Canada


Gliptin, drug, bullous pemphigoid


Bullous pemphigoid is a chronic autoimmune blistering disease. Recently, several reports suggested dipeptidyl peptidase 4 (DPP-4) inhibitors, also known as gliptins, were a potential cause of drug-induced bullous pemphigoid but not of both bullous pemphigoid and alopecia areata together. Here we describe the case of a 68-year-old man with type 2 diabetes mellitus who developed new onset diffuse alopecia on the scalp with diffuse tense bullae over his body a few months after linagliptin was introduced for better control of his diabetes.
DPP-4 inhibitors are not known to increase the risk of alopecia. To the best of our knowledge, this is the first report of linagliptin-associated alopecia areata and bullous pemphigoid, which may help demonstrate if there are any links between DPP-4 inhibitors and alopecia.



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    Published: 2019-09-10
    Issue: Vol 6 No 9 (view)

    How to cite:
    Someili A, Abu Hilal M, Azzam K. Linagliptin-Associated Alopecia and Bullous Pemphigoid. EJCRIM 2019;6 doi:10.12890/2019_001207.

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