Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

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

Last Updated: 9/26/2025

Doxepin Safety in Renal Impairment

Introduction to Doxepin Renal Safety

  • Unlike medications that require complex renal dose adjustments, doxepin's hepatic metabolism makes it a simpler option for patients with kidney disease 1

Considerations for Other Medications

  • All opioids should be used with caution at reduced doses and frequency in renal impairment, with fentanyl and buprenorphine being the safest choices in chronic kidney disease stages 4-5, as recommended by the European Society for Medical Oncology 2, 3

REFERENCES

1

Escitalopram Use in Patients with Renal Impairment [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025