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Assess the Risks of GreenLight™ Laser Therapy

Every surgical treatment may have side effects. The same is true for GreenLight™ Laser Therapy. While side effects and complications are considered to happen much less frequently with GreenLight™ Laser Therapy than with traditional surgery,1,2 the following can occur after the procedure:

  • Blood in the urine (hematuria)
  • Bladder cramping
  • Bladder urgency
  • Urinary tract irritation
  • Retrograde ejaculation

You should contact your doctor immediately if:

  • You see large amounts of blood (a spoonful or more) in your urine
  • You see blood that is bright red in color
  • You have a temperature exceeding 100°F
  • You experience chills or shaking

Also, if a catheter was placed, contact your doctor immediately if:

  • Your urine drainage bag is not filling with urine
  • There is leaking around the catheter


  1. Bouchier-Hayes DM, Anderson P, Van Appledorn S, et al. KTP laser versus transurethral resection: early results of a randomized trial. J Endourol. 2006;20:580-585.
  2. Karatas OF, Tasci A, Tugcu V. Erectile functions in BPH patients after photoselective vaporisation of the prostate laser surgery. Eur Urol. 2006;5(suppl 2):272 abstract 997.