Hormone Therapy

Management of Adverse Effects in Testosterone Replacement Therapy.

TL;DR

Monitoring and management of adverse effects are critical to maximize benefit and minimize the risks of TRT, with common adverse effects including gynecomastia, cardiovascular risks, erythrocytosis, prostate health concerns, and liver dysfunction each having established management strategies.

Key Findings

TRT improves quality of life, sexual function, and mood in hypogonadal men.

  • Finding based on narrative review incorporating guidelines from the American Urological Association and the Endocrine Society
  • An extensive literature review was conducted to assess both benefits and adverse effects of TRT
  • Improvements were noted across multiple domains including quality of life, sexual function, and mood

Increased estrogen levels and gynecomastia are common adverse effects of TRT, typically managed with aromatase inhibitors and tamoxifen.

  • Gynecomastia is identified as one of the common adverse effects associated with TRT
  • Aromatase inhibitors are used to manage elevated estrogen levels secondary to TRT
  • Tamoxifen is also cited as a management option for gynecomastia in this context

Cardiovascular risks from TRT include hypertension and erythrocytosis, requiring periodic hematocrit and blood pressure monitoring.

  • Therapeutic phlebotomy is indicated if the hematocrit exceeds 52%
  • Periodic monitoring of both hematocrit and blood pressure is mandated for patients on TRT
  • Erythrocytosis is identified as a hematologic risk associated with TRT

No significant concern regarding prostate cancer has been observed in closely monitored TRT patients.

  • TRT should not be administered to individuals with active evidence of untreated prostate cancer
  • An exception exists under rare circumstances such as active surveillance for very low-risk disease
  • Close monitoring of prostate health is emphasized as essential for patients receiving TRT

Older oral forms of TRT can affect liver function, making transdermal, newer oral forms, and injectables generally preferred in men with a history of liver disease.

  • Older oral formulations are associated with liver dysfunction risk
  • Transdermal formulations, newer oral forms, and injectable forms are favored alternatives for patients with liver disease history
  • Liver dysfunction is identified as one of the adverse effects secondary to TRT requiring management consideration

Effective patient education and counseling are essential to improve compliance and treatment outcomes in TRT.

  • Patient education and counseling are highlighted as components of TRT management alongside pharmacological interventions
  • Compliance is identified as a key factor in treatment outcomes
  • Ongoing research is noted as needed to further elucidate the safety of TRT and advance evidence-based practices

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Citation

Basheer B, Ila V, Barros R, Mesquita F, Lopes L, Lima V, et al.. (2025). Management of Adverse Effects in Testosterone Replacement Therapy.. International braz j urol : official journal of the Brazilian Society of Urology. https://doi.org/10.1590/S1677-5538.IBJU.2025.9904