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Erectile dysfunction after a prostatectomy

This page was reviewed under our medical and editorial policy by

Maurie Markman, MD, President, Medicine & Science at CTCA.

This page was updated on June 1, 2022.

A radical prostatectomy is a type of prostate surgery that removes the prostate gland to treat prostate cancer. This procedure may often causes a variety of side effects. One of the most challenging is erectile dysfunction (ED), which makes it difficult to maintain an erection. The reason this surgery may cause ED is that the nerves needed for an erection pass very close to the prostate gland, so they may be injured or permanently damaged during this procedure.

How long does ED last after a prostatectomy?

Erectile dysfunction affects almost all men within the first months of a prostatectomy. Most, though, will experience significant improvement within a year or so. However, for some men, it may take up to two years to fully recover and have regular erections.

The risk of ED after a prostatectomy increases with age. Men younger than 50 are most likely to avoid ED or recover more quickly.

When possible, the surgeon will perform a nerve-sparing prostatectomy to spare the nerves that pass close to the prostate. Men who receive nerve-sparing surgery may still experience ED after surgery, but they’re more likely to recover erectile function within two years.

What is the treatment for ED after a prostatectomy?

Penile rehabilitation is designed to preserve penile blood vessels and tissues so that they remain healthy and active. The therapy has the patient purposefully maintain an erection two to three times each week, often starting within a few weeks after surgery. Your surgeon may also prescribe a low-dose ED medication, designed to increase blood flow to the penis by relaxing the blood vessels.

The ED medication may take a while to work as the nerves recover, even in men who have undergone nerve-sparing surgery. Men with more severe nerve damage may not respond to the medication, while those with heart problems or who take alpha-blockers do not typically qualify for the medication.

If ED medications don’t work, other options may help, including:

Penile injections: These medications, injected into the shaft of the penis using a thin needle, are considered the most reliable treatment for ED, according to the American Cancer Society. Your doctor will show you how to give yourself these injections when you want to have an erection.

Urethral pellets: One pellet is placed into the opening of the penis, where it melts, leading to an erection. However, this approach is less reliable than injections.

A vacuum erection device: This is a plastic cylinder placed over the penis and attached to a suction pump. The pump creates a vacuum that forces blood into the penis to create an erection. Once the penis is erect, a special elastic band is placed around the base of the penis to hold in the blood and maintain the erection. The band can be left in place for up to 30 minutes.

Surgical implants

If other treatments have not helped, three surgical implant procedures are available. There are two inflatable options and one semi-rigid option:

  • A three-piece inflatable implant includes two inflatable tubes placed inside the penis. A fluid reservoir is placed in the groin or abdomen, and a pump is placed into the scrotum. The pump is compressed to move fluid into the inflatable tubes. A release valve allows the fluid to drain after sexual activity.
  • A two-piece inflatable implant works in the same way as the three-piece implant, but the fluid reservoir and the pump are both implanted in the scrotum.
  • A semi-rigid implant is less complicated than an inflatable implant, but the implant does not deflate, so it remains semi-rigid. It can cause injury to the penis and be difficult to conceal under clothing. This type may be best for a person with limited dexterity who may have difficulty using a pump.

Inflatable implants are the most common choice of penile implant. The advantage of an inflatable implant is that the penis is flaccid (soft) when not needed for sexual activity. A semi-rigid implant means the penis is slightly rigid at all times, so it can be concealed by bending it toward your body or be used for sexual intercourse by bending it away from your body.

At Cancer Treatment Centers of America® (CTCA), Boston Scientific technology is used for surgical penile implants.

For the surgery:

  • You are given anesthesia.
  • Then, your doctor makes a small incision in either your scrotum or above your pubic bone.
  • The implant pieces are inserted through the incision and into their proper placement inside the body.
  • Once the implant is in place, the incision is closed.
  • The surgery typically lasts an hour or less.

With a penile implant, you can maintain an erection as long as you wish—you control the implant and can activate and deactivate it as you want.

Your doctor will usually suggest waiting to have sex until four to six weeks after surgery.

Pain and soreness are common side effects as you heal. Surgical implants may also have risks, including:

  • Infection
  • Failure of the implant
  • Damage to the penis from the implant

The emotional impact of ED

Fear over ED can be enough to actually cause it, even when there’s enough nerve and blood supply to the penis. This is called psychological ED. Men who have physical ED may have psychological impacts, such as anxiety and depression, from the effects of ED on their sex life and self-esteem.

Psychosocial counseling with a mental health provider may be helpful, regardless of what’s causing the ED. Counseling can also help you cope with sexual relationship challenges you may be experiencing.

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