Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

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

Last Updated: 2/8/2026

Intraoperative Floppy Iris Syndrome (IFIS) Risk with Tamsulosin

Surgical Considerations

  • Patients undergoing cataract or glaucoma surgery should inform the operating surgeon if they are currently using or have previously used tamsulosin, because the drug can precipitate intraoperative floppy iris syndrome (IFIS) even after discontinuation, potentially complicating the procedure. 1