Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 10/8/2025

Treatment for Testosterone Pellet-Induced Facial Dermatitis

Understanding the Problem

  • Transdermal patches cause erythema or pruritus in up to 66% of users, according to the New England Journal of Medicine 1, 2, 3, 4
  • Gel preparations cause skin reactions in only 5% of users, as reported by the New England Journal of Medicine 1, 2, 3, 4

Adjunctive Symptomatic Management

  • Gentle moisturizers can be used for the dry skin component, as suggested by general medical knowledge and the New England Journal of Medicine 3
  • Avoid harsh cleansers that may further irritate compromised skin, as recommended by general medical knowledge and Gastroenterology 5
  • Sun protection is necessary as inflamed skin may be more photosensitive, according to general medical knowledge and the New England Journal of Medicine 3

Alternative Testosterone Delivery Methods

  • Testosterone gel preparations have the lowest rate of skin reactions at 5%, compared to 66% for patches, as reported by the New England Journal of Medicine 1, 2, 3, 4
  • Subcutaneous or intramuscular injections provide stable levels without the dermatitis risk associated with pellets, according to Gastroenterology and Praxis Medical Insights 5, 6
  • The New England Journal of Medicine notes that intramuscular injections can cause local reactions, but not the systemic facial dermatitis seen with pellets 1, 2, 3, 4

Monitoring Considerations

  • Measure testosterone levels 2-3 months after any formulation change, targeting mid-normal values, as recommended by Gastroenterology and Praxis Medical Insights 5, 6
  • Once stable, monitor every 6-12 months, according to Gastroenterology and Praxis Medical Insights 5, 6
  • Continue routine monitoring of PSA and hematocrit as recommended for all testosterone therapy, as suggested by the New England Journal of Medicine 1, 2, 3, 4