Shockwave Therapy for Erectile Dysfunction: Evidence and Suitability
- Holistic Andrology
- Nov 6, 2020
- 5 min read
Updated: 2 days ago
Low-intensity shockwave therapy may produce a modest improvement in erectile function for some men with vasculogenic erectile dysfunction. It is not a guaranteed cure and it is not suitable for every cause of ED. Current European urology guidance gives it a weak recommendation for selected, well-informed patients, while strongly recommending lifestyle and cardiovascular risk management and PDE5 inhibitor medicines as standard first-line care when appropriate.
What is low-intensity shockwave therapy for ED?
Low-intensity shockwave therapy (LI-SWT) delivers acoustic energy to penile tissue using an external handpiece. It is intended to influence vascular and tissue responses associated with erectile function. Treatment is normally provided as a course of outpatient sessions, but devices, energy settings, number of shocks and treatment schedules vary between clinics and research studies.
Focal shockwave and radial pressure-wave devices are not interchangeable. Most positive ED studies have used focal shockwaves. European guidance notes that a randomised trial of radial wave therapy found no difference from placebo in erectile function scores. Patients should therefore ask which device and protocol a clinic uses and what evidence supports it.
Does shockwave therapy work for erectile dysfunction?
The most balanced answer is: it can help some selected men, but the average benefit is usually modest and individual response is uncertain. The European Association of Urology reports that low-intensity shockwave therapy can produce a mild improvement in men with vasculogenic ED. It also highlights substantial variation between devices, protocols and outcome measures.
This uncertainty is important. Marketing percentages cannot be applied reliably to every patient because studies include different populations, severities, devices and treatment schedules. Improvement may emerge over the months after treatment, and benefit may reduce over time. No responsible clinic should promise a permanent result.
Who may be considered for treatment?
Current European guidance gives a weak recommendation to consider LI-SWT, with or without PDE5 inhibitors, for:
well-informed patients with mild vasculogenic erectile dysfunction
selected men who do not wish to use or are unsuitable for oral vasoactive treatment
some men with vasculogenic ED who respond poorly to correctly used PDE5 inhibitors
A weak recommendation does not mean that the treatment never works. It means patient selection, counselling and uncertainty are especially important.
Who may be less likely to benefit?
Shockwave therapy addresses a possible vascular component; it does not automatically correct every cause of ED. Benefit may be less predictable when the dominant problem is untreated hormonal disease, medication effects, severe neurological injury, relationship or performance anxiety, or extensive tissue damage after surgery. Mixed causes are common, so assessment should come before a treatment package. Evidence for rehabilitation after radical prostatectomy remains limited and should be interpreted cautiously.
Is shockwave therapy better than Viagra or tadalafil?
Shockwave therapy and PDE5 inhibitors are different approaches and should not be presented as a simple competition. PDE5 inhibitors such as sildenafil and tadalafil have a strong first-line recommendation in European guidance when they are safe and appropriate. LI-SWT has a weak recommendation for selected groups. Some patients may use shockwave therapy alongside a PDE5 inhibitor rather than instead of it.
Before labelling tablets a failure, a clinician should confirm that the medicine is licensed, correctly prescribed and used with the correct timing and instructions. PDE5 inhibitors must not be combined with nitrate medicines or nitric oxide donors such as recreational nitrites.
What assessment is needed before shockwave therapy?
A consultant-led ED assessment should establish the likely cause and review cardiovascular, metabolic, hormonal, neurological, medication-related and psychosexual factors. It may include:
medical and sexual history, including previous treatment response
blood pressure and cardiovascular risk review
focused examination when clinically indicated
recent glucose or HbA1c, lipid profile and early-morning testosterone
review of correct PDE5 inhibitor use and contraindications
penile Doppler ultrasound in selected cases when the result may change management
Penile Doppler is not required for every man. It may be helpful when vascular information is needed for diagnosis or selection, but the test itself has limitations and should be interpreted in context.
What happens during treatment?
Treatment is generally delivered in clinic using an external applicator. The number and spacing of sessions, energy setting and treatment sites depend on the device and protocol. Because there is no single universally established regimen, the clinic should explain exactly what is proposed, which type of wave is used, what outcome will be measured and when response will be reviewed.
The treatment is commonly described as non-surgical and low intensity, but “non-invasive” does not mean “zero risk” or guaranteed comfort. Suitability, possible adverse effects and precautions should be discussed before consent, particularly if you have bleeding risks, active infection, significant pain or complex medical conditions.
How should results be measured?
Response should be assessed using symptoms, treatment goals and, where appropriate, validated questionnaires such as the International Index of Erectile Function. A meaningful review asks whether erections, confidence, medication response and sexual activity improved enough to matter to the patient—not only whether a machine-based course was completed. Follow-up should also address cardiovascular and lifestyle factors identified during assessment.
Questions to ask a London shockwave clinic
What is the likely cause of my ED and why am I a candidate?
Does the device deliver focal shockwaves or radial pressure waves?
Which published evidence supports this device and protocol?
What degree of improvement is realistic for someone with my diagnosis?
What are the limitations, risks and alternatives?
Will I continue sildenafil, tadalafil or another treatment?
Who performs the treatment and who reviews the outcome?
What is the full cost and what happens if there is no meaningful response?
Consultant-led shockwave assessment in London
At Holistic Andrology, shockwave therapy is considered within a full erectile dysfunction assessment rather than sold as a universal stand-alone cure. Prof Fabio Castiglione reviews the diagnosis, health risks, previous treatment, suitability and available alternatives before recommending a personalised plan.
Read about the consultant-led London programme · View the erectile dysfunction guide · Book a consultation
Frequently asked questions
Can shockwave therapy cure erectile dysfunction?
It should not be promised as a cure. Some selected men with vasculogenic ED experience improvement, but the average effect is modest, response varies and durability is uncertain.
How quickly might a response appear?
Studies suggest that change may become apparent during the first few months after a course, but timing varies. Lack of immediate change does not prove failure, and an early response does not guarantee a permanent effect. Follow-up timing should be agreed in advance.
Can shockwave therapy replace sildenafil or tadalafil?
Sometimes patients reduce or change medication after review, while others use combination treatment. There is no automatic replacement rule. Any change should be agreed with the prescribing clinician.
Is radial wave therapy the same as focused shockwave therapy?
No. The technologies deliver energy differently, and the evidence cannot automatically be transferred from one device type to another. Ask the clinic to identify the technology being offered.
Does every clinic use the same protocol?
No. Devices, energy settings, treatment sites, number of shocks and session schedules vary. This is one reason published results are heterogeneous and why exact universal success percentages are misleading.
What if shockwave therapy is not suitable?
Other options include addressing health risks, psychosexual support, PDE5 inhibitors, vacuum devices, topical or injected medication and, in selected cases, penile prosthesis surgery. Choice depends on diagnosis, safety and patient preference.
Sources
About the author
Prof Fabio Castiglione, MD, PhD, FECSM, FEBU, Urologist (ITA). Consultant Urologist and Andrologist — King’s College Hospital NHS Foundation Trust; Hon. Reader, King’s College London, UK; Academic Lead of Urology; GMC 7542824; Director and Founder of Holistic Andrology.
Authored by Prof Fabio Castiglione. Editorial update: 17 August 2026. Clinical information was checked against current NHS, BAUS and European urology guidance.
Medical disclaimer: This article provides general information and is not a diagnosis or a substitute for personalised medical advice.
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