Water Droplets

Rezūm Water
Vapor Therapy

Treat your BPH without surgery, drugs
and their side effects.

How Does Rezūm Water Vapor Therapy Work?

Rezūm Water Vapor Therapy is a non-surgical treatment that uses the natural energy stored in water vapor, or steam, to remove excess prostate tissue that is pressing on the urethra.

Rezūm Therapy is typically performed right in your urologist’s office, or at an outpatient surgery facility and completed in one short appointment.

During each 9-second treatment, sterile water vapor is released throughout the targeted prostate tissue. When the steam contacts the prostate tissue, all the stored energy is released into the tissue. Your doctor will determine the amount of treatments you need, based on the size of your prostate.

Over time, your body’s natural healing response absorbs the treated tissue, shrinking the prostate. With the extra tissue removed, the urethra opens, reducing BPH symptoms.

Most patients begin to experience symptom relief in as soon as two weeks, and maximum benefit may occur within three months.*1,2 Patient responses can and do vary.

BPH Treatment Options

Rezūm 18 holes of golf

Gain lasting BPH relief in 3 simple steps:

The following is intended as a general overview, and your experience may differ. Please talk with your doctor about questions you may have about Rezūm Therapy.

    1. Before Your Procedure

  • Your doctor may stop anticoagulants (blood thinners) a few days to a week prior to your procedure.
  • Antibiotics may be prescribed.
  • Your doctor will discuss any pain medications that will be used.

    2. Procedure Day

  • The actual procedure takes only minutes; however, plan on spending approximately two hours for the entire appointment.
  • You will receive pain medication prescribed by your doctor for the procedure.
  • Plan to have a driver for your appointment, unless your doctor tells you that you can drive yourself home.

    3. Resume Your Life

  • After your procedure, continue oral antibiotics as prescribed by your doctor.
  • Your doctor may recommend a catheter for a few days to ease urination during healing.
  • Avoid activities that may irritate your prostate. Consult your doctor for specific recommendations.
  • If you experience discomfort:    
    • Take a mild pain medication, as recommended by your doctor.
    • Try a warm bath or sitting on a hot water bottle.
    • Consider temporarily removing caffeine, chocolate and alcohol from your diet.

Within a few days, you will most likely be able to resume normal activities* and most patients will experience noticeable symptom improvement in as soon as two weeks.2

Water splash

Do you have BPH?

Take our BPH quiz to gain insight into the severity of your symptoms and help kick-start the conversation about BPH with a doctor.

I Want to Learn More

Sign up to receive information and learn how Rezūm Water Vapor Therapy helps patients with their BPH.

Find a Doctor

Use our Doctor Finder to get in direct contact with urologists who specialize in using Rezūm Water Vapor Therapy to treat BPH. 

*Dependent on individual clinical situation and healing response. 


  1. McVary KT, Gange SN, Gittelman MC, et al. Minimally invasive prostate convective water vapor energy (WAVE) ablation: A multicenter, randomized, controlled study for treatment of lower urinary tract symptoms secondary to benign prostatic hyperplasia. J Urol. 2016 May;195(5):1529-38. 
  2. McVary KT, Rogers T, Roehrborn CG. Rezūm water vapor thermal therapy for lower urinary tract symptoms associated with benign prostatic hyperplasia: 4-year results from randomized controlled study. Urology. 2019 Apr;126:171-9.

Caution: U.S. Federal law restricts this device to sale by or on the order of a physician.
All images are the property of Boston Scientific. All trademarks are the property of their respective owners.
Content on this web page is for Informational Purposes only and does not constitute medical advice and should not be used for medical diagnoses. Boston Scientific strongly recommends that you consult with your physician on all matters pertaining to your health or to address any clinical/medical questions.
All treatments have inherent and associated risks. The Rezūm System is intended to relieve symptoms, obstructions, and reduce prostate tissue associated with BPH. It is indicated for men ≥ 50 years of age with a prostate volume 30cm3 ≤ 80cm3. The Rezūm System is also indicated for treatment of prostate with hyperplasia of the central zone and/or a median lobe. Potential risks include but are not limited to painful urination (dysuria), blood in the urine (hematuria), blood in the semen (hematospermia), decrease in ejaculatory volume, suspected urinary tract infection (UTI), and urinary frequency, retention or urgency. You should talk with your doctor about benefits and risks before moving forward with any treatment option.
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