A vacuum erection device (VED) is one of several mechanical treatments used for Peyronie’s disease. Used correctly, and alongside specialist advice, it can help some men improve curvature modestly and protect penile length. It is not a cure, and it is not suitable for everyone. This guide explains how it works, what the evidence shows, what a typical routine looks like and how to stay safe.
What is Peyronie’s disease?
Peyronie’s disease is the formation of scar tissue (plaque) in the tunica albuginea, the tough sheath around the erectile tissue. The plaque does not stretch like healthy tissue, so the penis can bend, shorten or develop an indentation during erection. For a full overview, see what are the treatment options for Peyronie’s disease?
How does a vacuum device work?
A VED is a clear cylinder placed over the penis, attached to a hand or battery pump. Pumping removes air from the cylinder, drawing blood into the penis and gently stretching the erectile tissue from the inside.
In Peyronie’s disease, that repeated, controlled stretch is thought to help remodel the scarred tissue over time. This is the same principle behind traction therapy and the hands-on mechanical modelling used after some treatments.
What does the evidence show?
The evidence is encouraging but limited. A 2010 study led by Professor Amr Raheem, now a consultant at International Andrology, followed 31 men with Peyronie’s disease who used a vacuum device for 12 weeks. Most showed a modest improvement in curvature, and the treatment was well tolerated.
International guidelines, including those of the European Association of Urology, recognise mechanical therapies as an option. They also note that the studies are small, so results vary and expectations should be realistic.
In practice, a VED is most often used:
- as part of a combined plan, for example alongside collagenase injections, to help with remodelling between treatments;
- to help preserve length, especially in men worried about shortening;
- for penile rehabilitation before or after surgery, when advised by the surgeon.
Is a vacuum device right for me?
A VED should only be started after a specialist assessment. Your consultant will consider the phase of your condition, the degree and direction of curvature, your erectile function and your general health.
A VED may not be suitable, or may need extra caution, if you:
- take blood-thinning medication or have a bleeding disorder;
- have sickle cell disease or another condition that increases the risk of priapism;
- have reduced sensation in the penis;
- are in the early, painful phase of the condition, unless your specialist advises otherwise.
What a typical routine looks like
Always follow the instructions for your own device and your clinician’s plan. A typical routine involves:
- Use a medical-grade device with a pressure-limiting valve, not a novelty pump.
- Apply water-based lubricant to the base of the penis and the rim of the cylinder to create a seal.
- Pump slowly until you feel a firm but comfortable stretch. It should never hurt.
- Hold briefly, then release the pressure, and repeat in gentle cycles.
- Keep sessions short, typically around 10 minutes, once or twice a day, as directed.
- Do not use a constriction ring for therapy sessions unless instructed. If you use one for intercourse, remove it within 30 minutes.
Consistency matters more than force. Improvements, if they come, build gradually over weeks to months.
Side effects and safety
Most men tolerate a VED well. Possible side effects include:
- small red spots (petechiae) or bruising;
- temporary numbness or a cool feeling in the penis;
- discomfort, particularly if pumping too hard.
Stop and contact your clinic if you have significant pain, blistering, bruising that does not settle, or numbness that persists after a session.
Realistic expectations
A vacuum device will not dissolve plaque or reverse the condition on its own. For many men it is a useful, low-risk part of a wider plan. Men with severe curvature, or curvature that stops intercourse, may need other treatment. Options include injections or surgery. See our Peyronie’s disease treatment page.
Frequently asked questions
Can a vacuum pump straighten a bent penis?
It can modestly reduce curvature in some men with Peyronie’s disease, particularly as part of a combined plan. It rarely corrects significant curvature on its own.
How long should I use a vacuum device each day?
Typically around 10 minutes, once or twice a day, but follow your specialist’s plan for your situation.
Can a vacuum device make Peyronie’s worse?
Used gently, it is low risk. Excessive pressure can cause bruising or injury, so never pump to the point of pain.
Do vacuum pumps increase penis size?
They can produce a temporary increase in size. They do not permanently enlarge a healthy penis, though in Peyronie’s disease they may help preserve length.
How do I get started?
Book a free phone call with our team, or message us on WhatsApp at +44 7457 404374.
References
- Raheem AA, Garaffa G, Raheem TA, et al. The role of vacuum pump therapy to mechanically straighten the penis in Peyronie’s disease. BJU Int. 2010;106(8):1178–1180.
- Salonia A, et al. EAU Guidelines on Sexual and Reproductive Health. European Association of Urology; current edition.
- Nehra A, Alterowitz R, Culkin DJ, et al. Peyronie’s disease: AUA guideline. J Urol. 2015;194(3):745–753.
This article is for educational purposes only and does not constitute personal medical advice. All treatment decisions should follow consultation with a qualified professional.
