How Often Should You Use a Vacuum Erection Device After Prostate Surgery?

Most published rehabilitation protocols have men using a vacuum erection device daily or near-daily during the active recovery period, typically beginning a few weeks after surgery once a physician has cleared them. The reason is simple: erectile tissue needs regular oxygenated blood flow to stay healthy, and after prostate surgery your body has temporarily lost its own way of delivering it.

That’s the short answer. But the number that matters isn’t really “how many times a day.” It’s whether you’re still doing it in month six.

I’m Charles Hilson. I had prostate cancer. I was handed a device with an instruction sheet and no plan, and I want to explain what I wish someone had explained to me.

Why frequency matters more than intensity

Here’s what most men get wrong. They assume the goal is to pump harder, or to reach maximum pressure every time, or to produce the most impressive erection they can. None of that is the point.

The point is repetition over time.

Erections aren’t only for sex. They’re a maintenance function. A healthy man has multiple erections overnight without knowing it, and that nightly cycle is how penile tissue gets oxygen. It isn’t romantic — it’s plumbing and biology. When prostate surgery disrupts the nerves and vessels that produce those erections, that maintenance cycle stops. And tissue that stops receiving oxygenated blood begins to change.

Researchers describe this in clinical terms. A 2025 review in Sexual Medicine Reviews summarizing the 5th International Consultation on Sexual Medicine explains that vacuum therapy works by periodically increasing oxygenated blood flow into the corpora cavernosa, which appears to activate processes that resist cell death and scarring in the tissue, and may help preserve the mechanism that keeps blood in the penis during an erection.

Translated: you are manually doing the job your body used to do automatically. That job doesn’t get done by one intense session. It gets done by showing up regularly.

What the research actually used

Different studies have used different schedules, which is worth knowing if you’re trying to make sense of conflicting advice.

Some protocols had men using the device twice weekly. Others used it daily. The studies showing the strongest results generally started earlier and used the device more often. In one randomized comparison of men beginning at one month after surgery versus six months, the early group scored significantly higher on erectile function questionnaires at both three and six months.

There’s also evidence that vacuum therapy performs better in combination than alone. In one study of men after nerve-sparing radical prostatectomy, 92% of men using a vacuum device together with tadalafil reported successful vaginal penetration at twelve months, compared with 57% using tadalafil alone. Notably, the men stuck with the device better than they stuck with the medication.

What none of these studies can tell you is the right schedule for you — because that depends on your surgery, your recovery, whether nerves were spared, whether you’re also on radiation or hormone therapy, and how your tissue responds in the first few weeks.

The number that actually predicts success

In my experience working with men for over fifteen years, the single strongest predictor of a good outcome isn’t which device someone bought or how much pressure they used.

It’s whether they were still doing it consistently at month six.

The research bears this out in an uncomfortable way. Studies of vacuum therapy consistently report meaningful dropout rates — men who start and then quit. One twelve-month study found a 20% dropout rate, and that was considered good. Most men who stop don’t stop because the device failed. They stop because nobody told them what to expect, so when progress felt slow at week three, they assumed it wasn’t working.

It was working. Blood flow is happening in the tissue whether or not you can see a full erection in the cylinder. That’s the part men are almost never told.

Why “as needed” is the wrong framework

If your doctor handed you a device and said to use it before sex, that instruction is about intercourse, not rehabilitation. They’re two different uses of the same tool.

Using the device for intimacy is about producing an erection firm enough for penetration at a specific moment.

Using the device for rehabilitation is about tissue health — cycling oxygenated blood through the penis on a schedule so the tissue stays viable while nerves and vessels heal. That’s what happens in the months when you may not be having sex at all, and it’s the phase that determines what’s still possible later.

Men who only use the device before sex are skipping the rehabilitation entirely.

What happens if you miss days

You haven’t ruined anything.

Life happens. Travel happens. Some weeks are harder than others. A missed day is not a setback, and one strong week doesn’t undo three weak ones either. What matters is the trend over months.

What I’d rather you avoid is the all-or-nothing thinking that ends recovery. A man who does the routine four days a week for a year will end up in a far better place than a man who does it perfectly for three weeks and then quits because he broke his streak.

What about radiation and hormone therapy?

Different situation, different timeline.

Radiation damages tissue gradually rather than all at once, and hormone therapy suppresses the testosterone that normally drives the body’s own erection cycle — sometimes for one to three years after treatment ends. Men in this group often need to stay consistent for considerably longer than men who had surgery alone.

The instinct during hormone therapy is to give up, because desire is gone and it feels pointless. That instinct is understandable and it’s wrong. This is the period when mechanical blood flow matters most, precisely because your body has no other way to get it.

Is it too late if I already stopped?

No. Start again.

The recovery window is longer than most men are told, and I’ve worked with men who began months or even years after treatment and still saw improvement. The tissue is more resilient than the timelines you’ll read in a pamphlet. Starting late is dramatically better than not starting.

Getting your own schedule

There isn’t a single universal number I can give you in a blog post, because the right frequency depends on your treatment, your clearance from your physician, and how your body responds in the first weeks.

Every CBH program includes a step-by-step routine built for your specific situation — surgery, radiation, hormone therapy, Peyronie’s, or organic ED — along with video tutorials showing exactly how each step is done, and one-on-one coaching so you can call and ask when something doesn’t feel right.

That last part matters more than men expect. Most questions I get aren’t complicated. They’re “is this normal?” And having someone to ask is often the difference between continuing and quitting.

If you’re not sure where to start, call or text me at 947.224.7342. I’ll answer your questions whether or not you order anything.

Frequently Asked Questions

How soon after prostate surgery can I start using a vacuum device? Most men begin a few weeks after surgery, once the catheter has been removed and their physician has cleared them. Confirm the timing with your surgeon, since it depends on how your recovery is going.

Can I use a vacuum device too much? FDA-cleared medical devices include an automatic vacuum safety limiter that shuts off the pump when maximum safe pressure is reached, which prevents over-pumping. Pain is always a signal to stop and reduce pressure at the next session.

Do I have to use it forever? Active rehabilitation is a defined period, after which most men move to a lighter maintenance schedule rather than stopping entirely. Erectile tissue continues to need blood flow the same way any tissue does.

Does it still help if I can’t get a full erection in the cylinder? Yes. Blood flow into the tissue is occurring even when the visible result is partial. Early sessions often look less impressive than later ones.

Can I use a vacuum device with Viagra or Cialis? Yes. They work through different mechanisms and are frequently used together. Research on combination use after prostatectomy has shown better outcomes than medication alone.