How to Improve Erections After Prostate Surgery: What the Evidence Says

Erectile dysfunction after prostate surgery is common, underdiagnosed, and undertreated — but not inevitable. With the right rehabilitation protocol started at the right time, many men recover meaningful erectile function. This guide covers what the evidence shows, what approaches work, and how pelvic floor rehabilitation fits into recovery.

Why Prostate Surgery Affects Erectile Function

The nerves responsible for erections run directly alongside the prostate gland. During prostatectomy, these neurovascular bundles are inevitably stressed and sometimes damaged, even in nerve-sparing procedures.

The key word is immediately — because for many men, function returns. The timeline depends on the surgical technique used, whether nerve-sparing was performed, the patient's age, baseline erectile function, and — critically — how proactively rehabilitation is pursued.

The Penile Rehabilitation Window

Research has established the concept of penile rehabilitation — the idea that the penis requires oxygenation and activity to maintain healthy tissue during nerve recovery. Months of disuse lead to structural changes that make recovery harder even after nerves regenerate.

Rehabilitation started within the first 3–6 months post-surgery produces significantly better outcomes than starting later. This is why urologists and continence specialists increasingly recommend proactive intervention rather than waiting to "see what comes back."

Pelvic Floor Rehabilitation and Erections

The connection between the pelvic floor and erections is direct and well-documented. The bulbocavernosus and ischiocavernosus muscles play an active role in maintaining erection rigidity and controlling ejaculation. When the pelvic floor is weak post-surgery, erectile function is further compromised.

Multiple studies show that pelvic floor rehabilitation significantly improves erectile function recovery after prostatectomy. Men who perform structured exercises post-surgery recover continence faster and report better erectile outcomes.

Evidence-Based Approaches to Improve Erections Post-Surgery

1. Pelvic Floor Rehabilitation (Start Within 4 Weeks)

Begin as soon as medically cleared — usually within 2–4 weeks post-surgery. Focus on slow contractions with full relaxation, progressing to functional exercises as strength returns. Consistency over months is what drives results.

2. PDE5 Inhibitors (Viagra, Cialis)

Phosphodiesterase type 5 inhibitors are the most evidence-supported pharmacological approach to penile rehabilitation. Low-dose daily tadalafil (Cialis) has shown benefits for preserving penile tissue health. Discuss timing and dosing with your urologist or GP.

3. Vacuum Erection Devices

Vacuum erection devices (VEDs) draw blood into the penis, oxygenating penile tissue. Used regularly — typically once daily for 5–10 minutes — they help prevent fibrotic changes during nerve recovery. Most guidelines recommend starting within 4–8 weeks post-surgery.

4. Penile Injections (Alprostadil)

Injectable alprostadil produces reliable erections regardless of nerve status by directly dilating blood vessels. Available on prescription in the UK, it's useful for maintaining sexual activity and penile health during recovery.

5. Psychological and Partner Support

Post-surgical erectile dysfunction has a significant psychological component. Performance anxiety, loss of confidence, and relationship strain compound the physical challenge. Psychosexual counselling is available on the NHS and can be highly effective.

Managing Urinary Leakage During Sex

Many men post-prostatectomy experience climacturia — leakage of urine at orgasm — or general leakage during sexual activity. Pelvic floor rehabilitation specifically addresses climacturia by strengthening the sphincter control disrupted during surgery. Whilst rehabilitation proceeds, Orykas absorbent underwear provides discreet daily protection, allowing men to feel confident and resume normal activity.

A Realistic Timeline

Recovery after nerve-sparing prostatectomy in a younger, healthy man can occur within 12–18 months. For older men or those with bilateral nerve involvement, the timeline may extend to 24 months. Regardless, early and consistent rehabilitation always improves the outcome.

Track your progress with Keel's daily tracking — important both for motivation and for informed conversations with your GP or consultant.

Talking to Your GP or Consultant

Be direct about erectile recovery — it's a legitimate medical concern. Ask specifically about: nerve-sparing technique outcomes, PDE5 inhibitor prescriptions, VED protocol, and referral to a pelvic health physiotherapist. Your GP can also refer you to a psychosexual counsellor through the NHS.