Sex After Aquablation: What You Need to Know

Aquablation preserves sexual function better than most other surgical options for an enlarged prostate, and for many men, sex after the procedure feels much the same as it did before. The biggest concern most men have is whether they will still ejaculate normally, and the data here are encouraging: across multiple trials, the vast majority of men who were sexually active before Aquablation remained so afterward, with ejaculatory preservation rates far higher than older surgeries. That said, the picture is more nuanced than a simple “everything will be fine,” and what happens in your specific case depends on your anatomy, your surgeon’s technique, and the size of your prostate.

Why Aquablation Is Different for Sexual Function

Most prostate surgeries for benign prostatic hyperplasia (BPH) work by cutting, vaporizing, or scooping out tissue that blocks urine flow. The problem is that the structures responsible for ejaculation and erection sit extremely close to the tissue being removed. Traditional transurethral resection of the prostate (TURP) and laser enucleation procedures tend to damage or destroy the ejaculatory ducts, the bladder neck, or nearby nerve bundles, leading to retrograde ejaculation (where semen goes backward into the bladder instead of out) or complete loss of ejaculation.

Aquablation uses a high-pressure waterjet guided by real-time ultrasound imaging and robotic control. The surgeon maps out exactly which tissue to remove on a screen before the robot executes the cut. Two features of this approach matter for sexual function: the saline waterjet itself and the precise control over how deep the ablation goes.¹ Because the surgeon can visualize the ejaculatory ducts and the verumontanum (a small anatomical landmark inside the urethra), they can plan the treatment contour to avoid these critical structures. This kind of targeted sparing is difficult with conventional techniques, where tissue removal is more freehand.

Ejaculation Preservation Rates

Ejaculation is where Aquablation’s advantage shows up most clearly. A systematic review looking across multiple studies found that preservation of antegrade (forward) ejaculation after Aquablation ranged from 72% to nearly 100%.² That is a wide range, and the variation reflects differences in patient populations, prostate sizes, and surgical technique across studies.

The landmark WATER trial, which compared Aquablation head-to-head with TURP in a blinded randomized design, found that only about 10% of sexually active men experienced anejaculation (complete loss of ejaculation) after Aquablation, compared to 36% after TURP.³ One single-center prospective study reported an even more favorable figure, with ejaculation preserved in about 96% of men at one year.⁴

What makes these numbers particularly striking is what happens with larger prostates. In a subgroup analysis of men with prostates over 50 milliliters, only 2% of Aquablation patients lost ejaculation compared to 41% of TURP patients.⁵ Larger prostates generally mean more tissue needs to come out, which with conventional surgery usually translates to more collateral damage. Aquablation’s robotic precision appears to decouple prostate size from sexual side effects in a way older procedures cannot.

Erectile Function and Orgasm

Erections are a separate concern from ejaculation, and the news here is also reassuring. In the WATER II trial, which specifically enrolled men with large prostates (80 to 150 milliliters), erectile function scores remained stable from before surgery through 12 months afterward, and no patient reported new-onset erectile dysfunction.² A pooled analysis of five international studies found that men who started with poor quality of life actually saw a statistically significant improvement in erectile function scores after Aquablation.⁶

That improvement likely reflects the fact that BPH symptoms themselves can be sexually debilitating. When you are waking up multiple times a night to urinate, struggling with a weak stream, and feeling urgency throughout the day, sexual function tends to suffer. Relieving those symptoms can unmask erectile capacity that was already there. What Aquablation appears to do is resolve the urinary problem without creating a new sexual one.

Orgasmic function and sexual desire have received less individual attention in the trials, but in the WATER trial, scores for orgasmic function, desire, and intercourse satisfaction showed no significant difference between Aquablation and TURP. Overall sexual satisfaction, however, was rated significantly higher in the Aquablation group.⁷ The most plausible explanation is that preserved ejaculation drives higher overall satisfaction even when the individual components of arousal and erection are similar between groups.

When You Can Resume Sexual Activity

Most urologists advise waiting about two months after Aquablation before resuming intercourse.⁸ That timeline allows the surgical site inside the urethra and prostate to heal, reduces the risk of bleeding during sexual activity, and lets any catheter-related irritation resolve. Your surgeon may adjust this window based on how your recovery is going, particularly whether you have any persistent blood in the urine or discomfort.

During the healing period, you may still experience some urgency, frequency, or mild burning with urination. These symptoms generally improve steadily over the first few weeks. Many men notice that their urinary stream improves dramatically even before the two-month mark, which can itself be a relief after years of deteriorating flow. The key is not to interpret early improvements as a green light to rush back to sexual activity before the tissue has fully healed.

How Long the Benefits Last

Short-term results are encouraging, but what matters more is whether ejaculatory preservation holds up over time. The WATER trial followed patients out to five years, and the results were consistent: ejaculatory function scores remained essentially stable for the Aquablation group throughout, while the TURP group showed significantly worse scores at every follow-up visit.² At five years, men who had undergone TURP still averaged nearly three points lower on ejaculatory function questionnaires compared to the Aquablation group.⁷ Erectile function scores showed no significant change for either group over that same period, confirming that the erectile preservation seen at one year is durable.

Five years is a meaningful follow-up window, though not yet the decades-long data that would give complete confidence. BPH is a progressive condition, and some men eventually need retreatment regardless of the initial procedure. Whether retreatment rates differ between Aquablation and other approaches, and how retreatment affects sexual function, remains an area of active study.

How Aquablation Compares to Other Options

If you are weighing Aquablation against other BPH procedures, ejaculatory preservation is where the differences are most dramatic. Against TURP, the numbers speak for themselves. Against holmium laser enucleation (HoLEP), which is considered the gold standard for very large prostates, the gap is also substantial. A prospective comparative study found that ejaculatory function deteriorated significantly after HoLEP but not after Aquablation, with the difference reaching statistical significance at three months and persisting as a trend at later time points.⁹ Results from the WATER III trial were even starker, showing ejaculatory dysfunction rates of about 15% for Aquablation compared to 77% for HoLEP.¹⁰

Erectile function, by contrast, tends to be similar across procedures. Neither Aquablation nor HoLEP nor TURP appears to cause significant new erectile problems when studied in trials. The major differentiator is really about ejaculation.

Minimally invasive procedures like UroLift (prostatic urethral lift) and Rezum (steam therapy) also preserve ejaculation well, and a network meta-analysis found that UroLift maintained sexual function scores comparable to Aquablation.¹¹ However, those procedures generally treat smaller prostates and provide less robust urinary symptom improvement. A composite endpoint study comparing Aquablation, Rezum, and another robotic approach found no significant differences among the three for ejaculation rates, symptom scores, or complication rates, though the sample size was modest.¹² The choice often comes down to prostate size, symptom severity, and how much the patient prioritizes ejaculatory preservation versus other factors like recovery time or retreatment risk.

What Affects Your Individual Outcome

Not every man will get the best-case result, and understanding what drives variation can help set realistic expectations. The surgical contour, meaning exactly where and how deep the waterjet cuts, is the single most important controllable factor. A study analyzing ultrasound recordings from Aquablation procedures found that penetrating the ejaculatory ducts during the procedure increased the odds of postoperative anejaculation by roughly eightfold, and cutting deeper below the verumontanum nearly doubled the risk per additional unit of depth.¹³ This means that the surgeon’s contour-planning skill directly influences your sexual outcome. Asking your urologist about their approach to preserving the ejaculatory ducts and verumontanum is a reasonable question during your consultation.

Prostate volume also plays a role, though not always in the direction you might expect. The data from the WATER trial subgroup analysis showed that Aquablation’s advantage over TURP actually grew larger for bigger prostates. However, a multivariable analysis found that prostate volume above 110 milliliters was associated with lower odds of achieving composite clinical success (which included ejaculation preservation along with symptom relief and safety).¹² Very large prostates require more extensive ablation, which even with precise technique can push closer to critical structures.

Baseline ejaculatory function matters too. Men who started with better ejaculatory bother scores before surgery were more likely to achieve a successful composite outcome afterward, likely because they had more function to preserve in the first place. If your ejaculation is already significantly impaired before surgery due to BPH or medications, expectations should be tempered accordingly.

Whether cautery is used after Aquablation to control bleeding is another subtle but relevant factor. In the WATER trial, when post-treatment cautery was avoided, the ejaculation preservation gap between Aquablation and TURP narrowed considerably. At six months, Aquablation without cautery preserved ejaculation in about 93% of men, versus 84% with TURP, and that difference was no longer statistically significant.⁷ The implication is that cautery applied to the bladder neck or near the ejaculatory ducts for hemostasis can undo some of the benefit of the waterjet’s precision. Surgeons aware of this trade-off may use other hemostatic strategies when possible.

If Sexual Problems Do Develop

Even with the best technique, a minority of men will experience ejaculatory changes or, less commonly, erectile difficulties after Aquablation. The most frequent issue is retrograde ejaculation, where orgasm still occurs but little or no fluid comes out. This is not dangerous, and many men find they can live with it comfortably, but it can affect fertility and the subjective experience of orgasm.

For ejaculatory problems, treatments do exist. Alpha-agonist medications like pseudoephedrine can help tighten the bladder neck and convert retrograde ejaculation to antegrade in some cases. For men trying to conceive, sperm retrieval from the urine after orgasm is a well-established technique. Other options include penile vibratory stimulation and electroejaculation, though these are rarely needed after Aquablation.¹

For erectile dysfunction, the standard treatments apply. Oral medications like sildenafil or tadalafil remain the first-line approach. If those do not work, injectable therapies or ultimately a penile prosthesis are options, though escalating to those levels is uncommon in the Aquablation population given the low rates of new-onset erectile problems in the trials.

The Role of Stopping BPH Medications

An often-overlooked benefit of any successful BPH surgery, including Aquablation, is the ability to stop taking BPH medications. Alpha-blockers like tamsulosin are notorious for causing ejaculatory dysfunction on their own, and 5-alpha reductase inhibitors like finasteride can reduce libido and erectile quality. Many men undergoing Aquablation have been on one or both of these drug classes for years. After a successful procedure relieves their urinary obstruction, they can typically discontinue these medications, which may itself lead to improvements in sexual function that have nothing to do with the surgery’s direct effect on anatomy.

This is worth discussing with your urologist before surgery. If you have been on tamsulosin and experienced dry orgasms or reduced ejaculate volume, there is a reasonable chance that surgical treatment followed by medication discontinuation could actually restore ejaculatory function to where it was before you started the drug. That is a meaningful quality-of-life consideration that does not always make it into the standard pre-surgical conversation.

What the Evidence Still Cannot Tell You

Aquablation is a relatively young technology, first used in clinical trials around 2016, and the evidence base, while growing rapidly, has limitations worth acknowledging. Most of the sexual function data comes from questionnaire scores collected at scheduled follow-up visits. These validated instruments capture important information, but they cannot fully convey the subjective experience of sex, the impact on a partner, or the psychological adjustment to changes in ejaculatory sensation. A man whose questionnaire score is unchanged might still notice something feels different, and conversely, a man whose scores drop modestly might not consider it a meaningful problem in daily life.

The evidence is also strongest for the comparison against TURP, since the WATER trial was a well-designed randomized controlled trial. Comparisons against HoLEP and other newer approaches are mostly from prospective but non-randomized studies, meaning that patient selection differences could partly explain the results. The international consultation on sexual medicine rated the evidence supporting Aquablation’s ejaculatory advantage as low quality overall, not because the findings are doubted but because the body of randomized evidence is still small.¹⁰ As more randomized trials mature and longer follow-up data accumulate, the certainty around these numbers will sharpen. For now, the direction of the evidence is consistent and favorable, even if the precision of the estimates will keep evolving.