If you are considering robotic prostate surgery, you may be wondering how likely you are to regain erections afterwards. There is no single recovery rate that applies to everyone because your age, erections before surgery, nerve preservation and overall health can all affect your outcome.
Recovery can be particularly difficult during the first year, but you may continue to improve for two years or longer. If you are younger, have good erections before surgery and can have nerve-sparing surgery, your chances of recovery may be better.
What Does Erectile Function Recovery Mean After Prostate Surgery?
Erectile function recovery does not always mean that your erections return exactly to how they were before surgery. Some studies count erections that are firm enough for sex with medicines such as sildenafil or tadalafil, while others count only natural erections without medication.
Researchers may also use questionnaires such as the IIEF or SHIM to measure sexual function. This is why reported recovery rates can vary widely, so always check what a quoted percentage actually means for you.
What Do Contemporary UK Erectile Function Data Show?
A contemporary UK multicentre study included 2,030 men undergoing radical prostatectomy. Surgical-approach information was available for 1,118 men across 26 centres, and 96% of procedures in that subset were robot-assisted. Among men who had erections sufficient for intercourse without medication before surgery and responded at 12 months, 17% reported erections sufficient for intercourse: 6% without medication and 11% with medication or other medical assistance.
| UK multicentre outcome | Rate |
| Erections sufficient for intercourse without medication before surgery | 52% |
| Sufficient erections at 12 months among men potent without medication before surgery | 17% |
| Sufficient erections without medication at 12 months | 6% |
| Sufficient erections requiring medication or other assistance at 12 months | 11% |
| No erections sufficient for intercourse at 12 months in this previously potent group | 83% |
Evidence Note
Contemporary UK multicentre data found erections sufficient for intercourse in 17% of previously potent men who responded at 12 months, including 6% without medication. These figures are not contradictory: patient selection, nerve preservation, follow-up time and the definition of ‘potency’ can substantially change the reported percentage.
How Does Erectile Function Change During the First Year?
Even when nerve-sparing surgery is possible, the nerves and surrounding tissues can be affected by surgical manipulation and may take time to recover. Erectile function may therefore be poor during the early postoperative months without this necessarily predicting your final outcome.
Recovery can continue for 24 months and, in selected nerve-sparing cohorts, improvement has been documented for up to three years. UK research shows that erectile function may gradually improve after the initial decline, although factors such as age and your health can also affect longer-term results.
Why Do Published Recovery Rates Vary So Much?
Selected nerve-sparing robotic series can report much higher recovery rates than broader real-world cohorts, particularly when they include younger men with good erections before surgery and count medication-assisted erections as recovery.
Your age, erections before surgery, nerve preservation and follow-up time can all affect the results. So, when you compare figures, check whether they measure the same patients and the same definition of erectile recovery.
How Strongly Does Age Affect Erectile Function Recovery?
Age is one of the clearest factors affecting erectile recovery after robotic prostatectomy. In men with good erectile function before surgery who underwent bilateral nerve-sparing robotic prostatectomy, recovery varied significantly across four age groups.
| Age at surgery | Potency at 1 year | Potency at 3 years |
| 54 years or younger | 64.2% | 77.9% |
| 55–59 years | 52.3% | 67.0% |
| 60–64 years | 36.6% | 50.5% |
| 65 years or older | 20.7% | 35.0% |
The study also found that recovery tended to take longer with increasing age. However, these figures apply to a selected bilateral nerve-sparing population and should not be used as your personal predicted recovery rate.
How Important Is Your Erectile Function Before Surgery?
Your erectile function before surgery is an important predictor of recovery after robotic prostatectomy. If you have firm erections without medication beforehand, you’re generally more likely to regain useful erectile function. If you already have erectile dysfunction, recovering strong natural erections is less likely. A study using pre-operative SHIM scores found clear differences in potency at 24 months.
| Pre-operative SHIM group | Description | Potency at 24 months |
| SHIM 22–25 | Normal erectile function | 83.3% |
| SHIM 17–21 | Mild erectile dysfunction | 54.5% |
| SHIM 12–16 | Mild-to-moderate erectile dysfunction | 50.0% |
| SHIM 1–11 | Moderate-to-severe erectile dysfunction | 20.7% |
A study of 214 men shows why your erectile function should be assessed before surgery. A figure such as “80% potency” may apply to men with strong erections before treatment but won’t necessarily reflect your chances if you already have erectile dysfunction. Your pre-operative sexual health is therefore an important part of realistic counselling.
Why Is Nerve-Sparing Surgery So Important?
The nerves responsible for erections run very close to your prostate. Preserving them where it is safe may improve your chances of erectile recovery.
- Nerve preservation: Keeping the erectile nerves intact can support recovery after surgery.
- Cancer location: Nerve-sparing may not be suitable if your cancer is close to these nerves.
- Recovery factors: Your age and erectile function before surgery also affect your outcome.
- Cancer control: Removing the cancer safely remains the main priority.
Nerve-sparing can improve the possibility of erectile recovery but cannot guarantee it. Your surgeon can explain whether it is appropriate for your individual cancer.
Is Bilateral Nerve-Sparing Better Than Preserving One Side?
Some studies report better early erectile-function recovery with bilateral rather than unilateral nerve-sparing, although this advantage may become less clear at later follow-up. Useful erectile function can still return after one-sided nerve-sparing.
Your surgeon will decide how much nerve tissue can safely be preserved based on where your cancer is located. Nerve preservation should only be attempted when it is considered oncologically appropriate, with cancer control remaining the priority.
Why Can Your Cancer Affect the Chances of Erectile Recovery?
Your cancer’s location and extent can affect how much nerve tissue your surgeon can safely preserve. If the tumour is away from the neurovascular bundles, you may have a better chance of bilateral nerve-sparing and erectile recovery.
If the cancer is close to or extending towards a nerve bundle, wider removal may be needed to achieve clear margins. Your surgeon will therefore consider your MRI, biopsy, PSA and stage when deciding whether nerve-sparing is safe for you.
Research Insight
A 2026 systematic review and meta-analysis of 13 studies involving 22,183 patients compared NeuroSAFE-guided RARP with standard RARP. NeuroSAFE was associated with higher odds of postoperative erectile-function recovery, while no significant difference in biochemical recurrence was identified.
However, 11 of the 13 included studies were observational, heterogeneity was substantial for erectile-function outcomes and most non-randomised studies had a serious risk of bias. NeuroSAFE may therefore help selected patients when nerve preservation is oncologically appropriate, but it does not guarantee erectile recovery or eliminate the need to prioritise cancer control.
What Is the Difference Between Natural and Assisted Erections?
Natural erections occur without treatment, while assisted erections rely on options such as tablets, vacuum devices or injections. This distinction can significantly change reported recovery rates after prostate surgery.
UK research found that at 12 months, 6% of men had sufficient natural erections, while another 11% achieved them with assistance. So, when you see an erectile recovery percentage, check whether it includes assisted erections.
Do Erectile Dysfunction Tablets Improve Recovery?
Medicines such as sildenafil and tadalafil can help you achieve erections after nerve-sparing prostate surgery by improving blood flow. They are commonly used when your erections were good before surgery or some nerves have been preserved.
PDE5 inhibitors such as sildenafil and tadalafil can improve erectile function while they are being used after nerve-sparing prostatectomy. However, evidence is less certain about whether regular treatment accelerates the return of spontaneous, unassisted erections after medication is stopped.
UK Guidance Note
NICE recommends that people who lose erectile function after radical treatment for prostate cancer have access to specialist erectile-dysfunction services. PDE5 inhibitors such as sildenafil or tadalafil should be offered where appropriate. If they do not restore satisfactory erectile function or are contraindicated, alternatives including vacuum devices, intraurethral treatment, penile injections or a penile prosthesis can be offered.
Treatment-assisted erections and spontaneous unassisted recovery are not the same outcome. This distinction is important when comparing published potency rates or discussing erectile rehabilitation with your clinical team.
Can Erectile Function Continue Improving After Two Years?
Yes. Your erectile recovery can continue for two years or sometimes longer, particularly after nerve-sparing surgery. Some men gradually move from no erections to partial or assisted erections before achieving better natural function.
If your erections remain poor at six or 12 months, this does not necessarily mean recovery is over. However, you can still discuss treatment options during this period rather than simply waiting for recovery.
What Do Long-Term UK Data Show?
UK ProtecT data show that erectile function can be significantly affected after prostatectomy, although the study was not specific to modern robotic surgery. Around 18% of men reported erections sufficient for intercourse at seven years after prostatectomy.
These figures should not be used as your personal recovery rate, particularly if you are younger and having nerve-sparing robotic surgery. They mainly show that sexual function can remain affected long term, while age and general health also influence recovery.
Is Robotic Surgery Better for Erectile Function Than Other Surgical Approaches?
Randomised evidence comparing robot-assisted with conventional laparoscopic prostatectomy suggests better 12-month potency recovery among men who were potent before surgery and underwent nerve-sparing treatment. Evidence comparing robotic and open surgery is more dependent on observational studies and is less straightforward.
The robotic platform itself cannot guarantee recovery. Baseline erectile function, age, cancer location, extent of nerve preservation and surgeon-related factors all influence outcome.
What Other Health Factors Affect Your Recovery?
Health factors that affect vascular or erectile function, including diabetes, higher body weight and smoking history, may also be associated with poorer erectile recovery after prostatectomy.
Your medicines and any hormone therapy can also affect sexual function. Your surgeon should consider your overall health and treatment plan when discussing your likely recovery, rather than focusing only on nerve-sparing surgery.
Myth vs Fact
| Myth | Fact |
| Everyone having robotic prostatectomy has the same chance of recovering erections. | Recovery varies substantially according to age, pre-operative erectile function, nerve preservation and other factors. |
| A reported 80% potency rate means 80% regain natural erections. | Not necessarily. Many studies count erections achieved with PDE5 inhibitors as “potent”. |
| No erections at six months means recovery has failed. | No. Erectile recovery can continue for two years or longer, particularly after nerve-sparing surgery. |
| Nerve-sparing guarantees normal erections. | No. It improves the possibility of recovery when oncologically appropriate but cannot guarantee it. |
| Sildenafil or tadalafil definitely makes the nerves heal faster. | These medicines can improve erections while being used, but evidence that they restore spontaneous unassisted recovery is limited. |
| If erections return, ejaculation returns too. | No. Radical prostatectomy permanently removes ejaculation of semen even if erectile function recovers. |
What Should You Ask Before Robotic Prostate Surgery?
Ask your surgeon how they define erectile function and whether their results include erections achieved with medicines or only natural erections. You should also discuss your age, erections before surgery and whether bilateral, unilateral or no nerve-sparing surgery is likely for you.
It is also worth asking about erectile rehabilitation and how long recovery may take. For many men, improvement takes 12–24 months or longer, so understanding the expected timeframe and available support can help you plan realistically.
Key Takeaways
- There is no single erectile-function recovery rate after robotic prostatectomy because study populations and definitions differ greatly.
- Contemporary UK multicentre data found that among men with sufficient unassisted erections before surgery who responded at one year, 17% had erections sufficient for intercourse: 6% without medication and 11% with medication.
- Highly selected bilateral nerve-sparing studies can report substantially higher rates, particularly in younger men, so these percentages should not be applied to every patient.
- Your age, erectile function before surgery and extent of safe nerve preservation are among the most important predictors of recovery.
- Erectile function may continue improving for two years or longer, but improvement varies and becomes less predictable with time.
- PDE5 inhibitors can help you achieve erections during recovery, but evidence that they restore spontaneous, unassisted erectile function after treatment is stopped is limited.
- NICE recommends access to specialist erectile-dysfunction services after loss of erectile function following radical treatment and recommends alternatives if PDE5 inhibitors are ineffective or contraindicated.
- Recovery of erections does not restore ejaculation after radical prostatectomy.
Frequently Asked Questions
1. What are the erectile function recovery rates after robotic prostate surgery?
Erectile recovery varies widely depending on your age, erections before surgery, nerve preservation and overall health. Recovery can take 12–24 months or longer, so early erectile difficulties do not necessarily predict your final outcome.
2. How does your erectile function before surgery affect recovery?
Your pre-operative erectile function is one of the important factors affecting recovery after robotic prostate surgery. If you have good erections without medication before surgery, you are generally more likely to regain useful erectile function.
3. Does age affect erectile recovery after robotic prostate surgery?
Yes, age can significantly affect your chances of recovering erectile function after surgery. Younger men generally have higher recovery rates, while older men may take longer or have a lower chance of regaining erections.
4. Why is nerve-sparing surgery important for erectile recovery?
The nerves involved in erections run alongside the prostate, so preserving them when it is safe can improve your chances of recovery. However, nerve-sparing surgery does not guarantee that your erections will return.
5. Is bilateral nerve-sparing better for erectile recovery?
Possibly. Bilateral nerve-sparing may improve early erectile-function recovery compared with unilateral nerve-sparing, but this difference may be less clear later. Your surgeon will decide whether preserving both sides is oncologically safe based on your cancer.
6. What is the difference between natural and assisted erections?
Natural erections occur without treatment, while assisted erections may require medicines, vacuum devices or injections. Recovery rates can look very different depending on whether studies include assisted erections.
7. Can erectile function improve after one year?
Yes, your erectile function can continue improving for two years or sometimes longer after robotic prostate surgery. If your erections are still weak at six or 12 months, this does not necessarily mean that recovery has ended.
8. Can erectile dysfunction tablets help after prostate surgery?
Medicines such as sildenafil or tadalafil can help you achieve erections during your recovery, particularly after nerve-sparing surgery. However, evidence has not shown that they reliably restore spontaneous, unassisted erectile function after treatment is stopped.
9. Is robotic surgery better for erectile function than other prostate surgery?
Some studies suggest robotic surgery may provide better erectile recovery than open or conventional laparoscopic surgery, particularly when nerve-sparing is possible. However, your surgeon’s experience, cancer location and ability to preserve the nerves remain important factors.
10. What should you ask your surgeon about erectile recovery?
Ask how your surgeon defines erectile recovery and whether their results include erections achieved with medication or only natural erections. You should also ask how your age, pre-operative erectile function and planned nerve-sparing approach may affect your recovery.
Final Thoughts: Understanding Erectile Function Recovery After Robotic Prostate Surgery
Erectile function recovery after robotic prostate surgery can vary considerably from one person to another, so you should be cautious about relying on a single recovery percentage. Your age, erectile function before surgery, cancer location, nerve-sparing approach and general health can all influence your outcome. Recovery can also take 12–24 months or longer, meaning early difficulties do not necessarily reflect your long-term result.
When discussing surgery with your surgeon, you may wish to ask how they measure erectile-function outcomes and whether these include natural erections, erections achieved with medication or both. If you are considering robotic prostate surgery in London and would like specialist advice, you can contact our team to discuss your options and arrange a consultation tailored to your individual needs.
References:
- Bridge, J. et al. (2024) ‘Urinary and Sexual Impact of Robotic Radical Prostatectomy: Reporting of Patient-reported Outcome Measures in the First Year after Radical Prostatectomy in a Contemporary Multicentre Cohort in the United Kingdom’, European Urology Open Science, 64, pp. 11–21. Available at: https://pubmed.ncbi.nlm.nih.gov/38812920/
- Arezki, A. et al. (2023) ‘Age-stratified potency outcomes of bilateral nerve sparing robotic-assisted radical prostatectomy’, The Canadian Journal of Urology, 30(1), pp. 11424–11431. Available at: https://pubmed.ncbi.nlm.nih.gov/36779949/
- Alenizi, A.M. et al. (2016) ‘Erectile function recovery after robotic-assisted radical prostatectomy (RARP): long term exhaustive analysis across all preoperative potency categories’, The Canadian Journal of Urology, 23(5), pp. 8451–8456. Available at: https://pubmed.ncbi.nlm.nih.gov/27705730/
- Suartz, C.V. et al. (2026) ‘NeuroSAFE-guided robot-assisted radical prostatectomy versus standard RARP: systematic review and meta-analysis of comparative studies’, Journal of Robotic Surgery, 20(1), 496. Available at: https://pubmed.ncbi.nlm.nih.gov/42126466/
- Goh, H.J. et al. (2022) ‘Efficacy of phosphodiesterase type 5 inhibitors in patients with erectile dysfunction after nerve-sparing radical prostatectomy: a systematic review and meta-analysis’, Translational Andrology and Urology, 11(2), pp. 124–138. Available at: https://pubmed.ncbi.nlm.nih.gov/35280664/
- Haney, C.M. et al. (2023) ‘Robot-assisted Versus Conventional Laparoscopic Radical Prostatectomy: A Systematic Review and Meta-analysis of Randomised Controlled Trials’, European Urology Focus, 9(6), pp. 930–937. Available at: https://pubmed.ncbi.nlm.nih.gov/37353415/
- Donovan, J.L. et al. (2023) ‘Patient-Reported Outcomes 12 Years after Localized Prostate Cancer Treatment’, NEJM Evidence, 2(4), EVIDoa2300018. Available at: https://pubmed.ncbi.nlm.nih.gov/38320051/
- National Institute for Health and Care Excellence (2019, updated 2021) Prostate cancer: diagnosis and management. NICE guideline NG131. Available at: https://www.nice.org.uk/guidance/ng131
- Limoncin, E. et al. (2017) ‘Erectile function recovery in men treated with phosphodiesterase type 5 inhibitor administration after bilateral nerve-sparing radical prostatectomy: a systematic review of placebo-controlled randomized trials with trial sequential analysis’, Andrology, 5(5), pp. 863–872. Available at: https://pubmed.ncbi.nlm.nih.gov/28787547/
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- Flores, J.M. et al. (2024) ‘Does Diabetes Have a Negative Impact on Erectile Function Recovery After Radical Prostatectomy?’, Urology, 194, pp. 327–332. Available at: https://pubmed.ncbi.nlm.nih.gov/39128637/
- Tsui, O.W.K. et al. (2025) ‘Effects of nerve sparing on erectile dysfunction and urinary incontinence in robot-assisted radical prostatectomy’, Hong Kong Medical Journal, 31(3), pp. 218–224. Available at: https://pubmed.ncbi.nlm.nih.gov/40490411/