Rezūm for BPH

We are excited to introduce a new treatment option for men suffering from BPH (benign enlargement of the prostate). Rezum has undergone rigorous studies and was approved by the FDA in 2015 for the treatment of the enlarged prostate.

University Urology Associates is the first location in Canada where Rezum is available and now the first Designated Centre of Excellence outside of the USA.

What is Rezum?

Rezum is a minimally-invasive alternative to pharmaceutical treatment and more invasive surgeries like the TURP procedure that are frequently prescribed for BPH. The Rezum treatment allows men to go off or avoid medications altogether. Additionally, with Rezum, men will not experience the sexual dysfunction of surgery such as retrograde ejaculation or erectile dysfunction. The one-time Rezum treatment allows men to return to their regular routine quickly, without the hospitalization and recovery associated with surgery.

How does Rezum work?

Rezum uses radiofrequency to heat water into vapor (steam), which is then injected directly into prostate. Vapor turns into water on contact with the prostate tissue, creating controlled damage to the cells that cause obstruction, discomfort, and symptoms associated with BPH. Over time (~3 months), your body will absorb and remove the treated tissue through the natural healing response.

Will I have to stay at the hospital?

No, you will be able to go home the same day from our office. You can expect to spend 2 hours at our clinic as Rezum is performed under local anesthetic or light sedation. Due to post-treatment swelling, a urinary catheter is necessary and will be placed immediately after the treatment for several days.

When can I return to regular activities?

Most patients return to regular activities within a few days. Your doctor will discuss this during your consultation.

When will I see improvement?

The speed of recovery is largely dependent on your body’s ability to heal. Typically, we see improvement in our patients in as little as two weeks after the procedure, with the full effect taking place by three months.

Can any urologist perform Rezum?

No. Only physicians who have been specially trained can treat using the Rezum technology.

Post-Treatment Protocol

Main precaution is limiting strenuous activity until the catheter is removed. You will receive detailed post-treatment instructions at your treatment day so you may plan your days accordingly.

Side Effects

Rezum is a minimally-invasive procedure and has fewer side effects compared to surgical therapies. However, as with any intervention, some of the following side effects may occur for a short period of time:

  • Painful urination
  • Blood in urine
  • Blood in semen
  • Frequent urination
  • Inability to urinate or completely empty the bladder
  • Need for short-term catheterization

How long do the results last?

Clinical studies have shown sustained symptom improvement up to 4 years and studies are ongoing to determine longer term results.

Eligibility Criteria

Rezum indicated for men 40 years or older, with a prostate volume greater than  30cm3.

Rezum is not covered by OHIP. If you have private health insurance, check with your insurance provider whether Rezum is covered under your policy.

Find out if you're a candidate for Rezūm, request a consultation.

UUA Patient Testimonials

Rezūm for BPH Testimonial

I had a very enlarged prostate and struggled for over 20 years trying to manage my frequency of urination, urgency at times and great discomfort at public events. I was always looking for the washroom rather than enjoying myself or just suffering with dehydration because I was afraid to drink anything. But, I just did not feel comfortable with the standard TURP which would be major surgery and which could come with some life changing side effects.


Rezum became the perfect solution and it has changed my life. It was a minimally invasive procedure on an outpatient basis; only 15 minutes long and recover right away at home. Within a few months and improving every month from there forward, my urinary flow is like I am 30 years old again; no problems emptying the bladder, very little urgency and absolutely big leap in quality of life. I am so glad that I made the choice to connect with Dr Elterman and get this done; it was worth every bit of time and effort.


— Patient KR

University Urology Associates
2021-06-14T11:20:44-04:00
I had a very enlarged prostate and struggled for over 20 years trying to manage my frequency of urination, urgency at times and great discomfort at public events. I was always looking for the washroom rather than enjoying myself or just suffering with dehydration because I was afraid to drink anything. But, I just did not feel comfortable with the standard TURP which would be major surgery and which could come with some life changing side effects. Rezum became the perfect solution and it has changed my life. It was a minimally invasive procedure on an outpatient basis; only 15 minutes long and recover right away at home. Within a few months and improving every month from there forward, my urinary flow is like I am 30 years old again; no problems emptying the bladder, very little urgency and absolutely big leap in quality of life. I am so glad that I made the choice to connect with Dr Elterman and get this done; it was worth every bit of time and effort. — Patient KR

Highly Recommend Dr. Elterman and the Rezūm Procedure

Dr. Dean Elterman and his team of medical professionals treated my dad with the Rezūm procedure for an enlarged prostate. The procedure went well but unbeknownst to everyone, my dad had kidney stones that hindered his recovery, leading to a blocked ureter, UTI, acute renal failure and urinary retention. Dr. Elterman and his team was monitoring my dad's recovery every step of the way and accurately guiding us to seek emergency help. Following the removal of my dad's kidney stones and 6 weeks of IV antibiotics, my father is finally catheter-free, voiding on his own and feeling like his former, healthier self. We've dealt with many medical clinics over the years. Dr. Elterman and his team are one of the most responsive, reliable, intelligent and caring medical professionals we've had the pleasure of meeting. How often do doctors give their personal cell number to patients? Dr. Elterman did. He trusts that his patients will not abuse the kindness, but he makes himself available and responds promptly when contacted. He is brilliant, compassionate and a gem of a doctor. We highly recommend him and his Rezūm procedure.


K. M.

University Urology Associates
2021-08-08T19:44:54-04:00
Dr. Dean Elterman and his team of medical professionals treated my dad with the Rezūm procedure for an enlarged prostate. The procedure went well but unbeknownst to everyone, my dad had kidney stones that hindered his recovery, leading to a blocked ureter, UTI, acute renal failure and urinary retention. Dr. Elterman and his team was monitoring my dad's recovery every step of the way and accurately guiding us to seek emergency help. Following the removal of my dad's kidney stones and 6 weeks of IV antibiotics, my father is finally catheter-free, voiding on his own and feeling like his former, healthier self. We've dealt with many medical clinics over the years. Dr. Elterman and his team are one of the most responsive, reliable, intelligent and caring medical professionals we've had the pleasure of meeting. How often do doctors give their personal cell number to patients? Dr. Elterman did. He trusts that his patients will not abuse the kindness, but he makes himself available and responds promptly when contacted. He is brilliant, compassionate and a gem of a doctor. We highly recommend him and his Rezūm procedure. K. M.
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