Many men suffer with age from benign prostatic hyperplasia (BPH), a common cause of difficulty urinating and frequent nighttime urination. One of the modern and safe solutions to relieve these symptoms is the Rezum technique, also known as water vapor thermal therapy for the prostate. This innovative method relies on using water vapor to precisely and effectively reduce the size of the prostate, with fewer risks and complications compared to traditional surgery.In this Dalili Medical article, we will explore the benefits of Rezum, its possible side effects, how the procedure is performed, and recovery tips after treatment, making it a complete reference for anyone seeking a safe and fast solution for prostate problems.
Rezūm Therapy is a modern treatment for benign prostatic hyperplasia (BPH). It uses water vapor (steam) to reduce the size of the enlarged prostate, helping relieve symptoms such as difficulty urinating and frequent nighttime urination, and improving overall quality of life.
Rezūm™ is a minimally invasive, non-surgical treatment for BPH.
A special device is inserted through the urethra to deliver steam directly to the enlarged prostate tissue.
No surgical incisions or stitches are required.
It is performed under local anesthesia.
It is also known as water vapor thermal therapy.
The patient is asked to empty the bladder.
Local anesthesia is applied to the urethra and prostate.
A thin device is inserted through the urethra.
A small needle releases steam into the enlarged prostate tissue.
The steam destroys excess prostate cells, which shrink gradually over time.
A temporary urinary catheter is placed for a few days to allow proper healing.
The full procedure usually takes about 30 minutes.
Each steam injection lasts 10 seconds.
Up to 15 steam injections may be applied in one session, depending on prostate size.
Rezūm has a very high success rate.
Studies show that less than 5% of patients require additional procedures within 5 years.
Only about 10% of patients need prostate medications during the first five years after treatment.
FDA approved Rezūm in 2015.
Studies confirm that results last at least 5 years, with long-term improvement in urinary symptoms.
Symptoms may temporarily worsen during the first few weeks.
Gradual improvement begins after a few weeks.
Full improvement may take up to 3 months.
No. Rezūm is a minimally invasive, non-surgical procedure performed through the urethra with no incisions.
Most patients go home the same day.
Some may need a temporary catheter for 1–3 days.
Most patients do not experience erectile dysfunction.
A small number may notice temporary retrograde ejaculation, which is less common than with traditional surgery.
Yes. Results last for many years, and the procedure can be safely repeated if symptoms return.
Rezūm is performed under local or light sedation, so patients usually feel only mild discomfort, not pain.
Light activities can resume within a few days.
Avoid heavy lifting for about one week.
No. Rezūm reduces prostate size and improves symptoms, but the prostate may continue to grow slowly with age.
Some patients may need temporary pain relievers or anti-inflammatory drugs.
Long-term medications are usually not required unless symptoms return.
Typically recommended for men over 50 with symptomatic BPH.
Each case is evaluated individually based on prostate size and overall health.
Yes. In some cases, Rezūm can be combined with medications to optimize symptom control.
Rezūm treats benign prostatic hyperplasia (BPH) and its symptoms, including:
Difficulty starting urination
Weak urine stream
Frequent urination, especially at night
Sudden urgency to urinate
Steam reduces prostate pressure on the urethra, allowing easier urination.
Such as:
Frequent nighttime urination
Urinary urgency
Difficulty starting urination
Mild urinary leakage
No surgical incision
Less pain
Faster recovery
Often outpatient procedure
Last for several years with continuous symptom improvement.
Unlike traditional prostate surgery, Rezūm usually does not affect erectile function.
If symptoms return after several years, the procedure can be safely repeated.
Better sleep, confidence, and daily comfort.
Urologist visit
Symptom scoring (IPSS)
Urine analysis
Prostate ultrasound
Kidney function tests
PSA blood test
Explain benefits and risks
Stop blood thinners if needed
Local or light anesthesia
Rezūm device inserted into the urethra
Steam injections delivered into prostate
Procedure lasts 20–30 minutes
Rezūm may not be suitable for patients with:
Very large prostate size
Suspicion or diagnosis of prostate cancer
Active urinary tract infection
Uncontrolled bleeding disorders
Severe anatomical urinary obstruction
Severe heart or lung disease affecting anesthesia tolerance
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Before undergoing prostate enlargement treatment using Rezūm technology (water vapor therapy), several important examinations are required to determine whether the treatment is suitable for the patient. These include:
A clinical exam such as a digital rectal examination (DRE) to assess the size of the prostate and related symptoms.
To ensure there are no urinary tract infections or other urinary system problems.
Measures the strength of urine flow and determines the degree of urinary obstruction.
To accurately evaluate prostate size and identify enlarged areas.
To rule out prostate cancer and ensure there are no serious abnormalities.
Before undergoing Rezūm treatment, patients should follow these important instructions:
Fasting: Avoid eating and drinking for 6–12 hours before the procedure.
Stopping Blood Thinners: Discontinue blood-thinning medications or anticoagulants about 10 days before the procedure, under medical supervision, to reduce bleeding risk.
After Rezūm therapy, patients typically require 1–4 weeks of home recovery, depending on their condition. During recovery:
Avoid heavy lifting.
Walk daily for at least 30 minutes to improve blood circulation.
Urine Flow Test: To confirm improvement in urine stream.
Urine Analysis: To detect any post-procedure infections.
PSA Monitoring: To track prostate-specific antigen levels.
Clinical Examination: To assess symptoms and detect any complications.
Continuous follow-up with the doctor is essential to ensure treatment success and monitor potential complications.
Accurate Medical Consultation:
Inform your doctor about all medications, especially blood thinners and herbal supplements.
Report any chronic conditions such as heart disease, kidney disease, or diabetes.
Treat Any Urinary Infection First:
Urinary infections must be treated before the procedure to avoid complications.
Adequate Hydration:
Drink enough fluids before the procedure to reduce urethral sensitivity.
Mental Preparation:
Stay calm and understand the procedure steps to reduce anxiety.
Follow Medical Instructions Carefully
Stay Relaxed:
Relaxation helps ease device insertion and improves overall comfort.
Drink Plenty of Fluids to flush the urinary tract.
Avoid Intense Exercise and Heavy Lifting for about one week.
Monitor Symptoms:
Burning sensation or frequent urination is normal initially and improves gradually.
Avoid Caffeine and Alcohol temporarily to prevent bladder irritation.
Take Prescribed Medications Exactly as Directed.
| Comparison Point | Hydrotherapy | Rezūm Procedure |
|---|---|---|
| Purpose | General symptom relief and muscle relaxation | Treats benign prostatic hyperplasia (BPH) |
| Main Principle | Uses hot or cold water to stimulate circulation | Uses water vapor to destroy excess prostate tissue |
| Type of Treatment | Non-invasive natural therapy | Minimally invasive medical procedure |
| Results | Temporary symptom relief | Long-term size reduction and symptom improvement |
| Duration of Effect | Short-term, requires repeat sessions | Long-lasting, may continue for years |
| Risks | Very low | Temporary burning, irritation, mild bleeding |
| Suitable Candidates | Mild urinary symptoms | Moderate BPH with bothersome symptoms |
Burning during urination
Increased urinary frequency or urgency
Mild urine leakage
These usually improve within 2–6 weeks.
Light bleeding is common in the first days and usually disappears within two weeks.
Low risk, especially if hygiene and antibiotic instructions are not followed.
Swelling may temporarily block urine flow, requiring a short-term catheter.
Retrograde ejaculation or temporary changes in ejaculation may occur.
Erectile dysfunction is very rare compared to traditional surgery.
Usually resolves within a few days.
A temporary urinary catheter may be placed for 1–3 days.
Avoid heavy lifting and strenuous activity for at least one week.
Rest as much as possible during the first few days.
Drink plenty of fluids.
Burning and frequent urination are common initially.
Avoid caffeine and alcohol temporarily.
Maintain good genital hygiene to prevent infection.
Wash hands well before and after using the restroom.
Take pain relievers or anti-inflammatory medications as prescribed.
Complete the full course of any prescribed antibiotics.
Seek medical attention if you experience severe bleeding, intense pain, fever, or difficulty urinating.
Attend scheduled follow-up visits for catheter removal and recovery assessment.
Gradual return to normal activities after one week.
Avoid swimming or hot baths for two weeks.
Temporary catheter for 1–3 days.
Burning sensation and mild irritation during urination.
Light blood in urine or semen during the first week.
Gradual improvement in urinary symptoms within 2–6 weeks.
Drink plenty of fluids.
Avoid caffeine and alcohol.
Resume daily activities slowly, avoiding strenuous effort.
Full improvement in urine flow and symptom relief typically appears within 4–6 weeks.
Results are usually long-lasting, and the procedure can be repeated if symptoms return years later.
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