A curved penis is common and often treatable. Some degree of curvature is normal and doesn’t require any intervention at all. But if the bend is significant enough to cause pain, difficulty with sex, or distress, there are proven options ranging from traction devices to injections to surgery, depending on what’s causing the curve and how severe it is.
Why Your Penis Is Curved
There are two main reasons a penis curves, and the distinction matters because they’re treated differently.
Congenital curvature means you’ve had the bend since birth, even if you didn’t notice it until puberty when erections became more frequent. This type doesn’t involve scar tissue. It’s simply how the tissue developed. The curve is usually stable and predictable.
Peyronie’s disease is an acquired condition where scar tissue (called plaque) forms inside the penis, pulling it into a curve. This typically develops in your 40s, 50s, or 60s, though it can happen earlier. You might notice a new bend that wasn’t there before, pain during erections, a hard lump you can feel under the skin, or a loss of length or girth. Peyronie’s affects roughly 1 in 10 men to some degree, and it’s likely underreported because many don’t bring it up with a doctor.
Peyronie’s Disease Has Two Phases
If you’ve recently developed a curve, understanding the timeline is critical because it determines which treatments are appropriate.
The active phase is when things are still changing. The curve may be getting worse, you might feel pain during erections, and the plaque is still forming. This phase typically lasts 12 to 18 months from when symptoms first appeared. During this time, surgery is generally off the table because operating on a moving target can lead to poor outcomes.
The stable phase begins once your symptoms haven’t changed for at least three months. The pain usually fades on its own (even without treatment), and the curve stops progressing. This is when the full range of treatment options opens up. Some men find the curve stabilizes at a degree that doesn’t bother them, in which case no treatment is needed.
Traction Devices
Penile traction therapy uses a mechanical stretching device worn on the penis for extended periods each day. It’s one of the least invasive options and can be used during the active phase, which makes it appealing for men who want to do something while waiting for the disease to stabilize.
The catch is commitment. Studies show meaningful results require wearing the device for at least 3 hours per day, and some protocols call for much more. Men who used traction for 3 or more hours daily gained significantly more stretched length compared to those who didn’t, though the gains are modest. In more intensive protocols involving 8 to 12 hours of daily stretching for at least 4 months, length gains of 1 to 3 centimeters have been reported. Traction appears to be better at preserving or recovering penile length than at correcting curvature itself. It’s sometimes used alongside injection therapy for this reason.
Injection Therapy
For men with stable Peyronie’s disease who want to avoid surgery, injections directly into the plaque can reduce curvature. A doctor performs these in-office over a series of visits.
The most studied option is collagenase clostridium histolyticum, an enzyme that breaks down the scar tissue causing the curve. The standard protocol involves two injections per cycle, spaced 1 to 3 days apart, with cycles repeated every 6 weeks for up to 4 rounds. Men who completed all 4 cycles saw an average curvature reduction of about 20%. That might not sound dramatic, but for someone whose curve makes sex difficult, it can be the difference between functional and not.
Interferon injections also have meaningful clinical support for decreasing curvature and preserving length. Other injected substances like verapamil (a calcium channel blocker) have shown some promise in smaller studies, but the evidence isn’t strong enough to draw firm conclusions about their effectiveness.
Surgery for Significant Curvature
Surgery is the most effective option for straightening the penis, but it’s reserved for men with stable disease whose curvature is severe enough to interfere with sexual function. There are three main approaches, and the right one depends on your degree of curvature, erectile function, and penile length.
Plication (Shortening the Long Side)
This is the simplest surgical approach. The surgeon places stitches on the longer side of the penis (opposite the curve) to essentially match it to the shorter side, straightening things out. It’s reliable: studies of nearly 400 patients found complete straightening in about 88 to 90% of cases. The tradeoff is some degree of shortening, since you’re bringing the long side down to meet the short side. For men with mild to moderate curvature and good erectile function, this is often the first-line surgical option. Men with congenital curvature tend to experience less length loss and fewer erectile side effects from this procedure than men with Peyronie’s disease.
Grafting (Lengthening the Short Side)
For more severe curves (typically beyond 60 to 70 degrees), the surgeon cuts into or removes the plaque and patches the gap with graft material. This preserves more length than plication but is a more complex surgery with a longer recovery. It requires good natural erectile function beforehand, since the procedure carries a higher risk of affecting erections.
Penile Implant With Remodeling
For men who have both significant curvature and erectile dysfunction, a penile implant can solve both problems at once. After placing an inflatable prosthesis, the surgeon inflates it and manually bends the penis over it to break through the scar tissue and straighten the shaft. This technique is successful in about 86% of cases. In a study of 138 men with severe Peyronie’s disease, 90% were actively using their prostheses at an average follow-up of nearly 3 years, and none reported penile shortening or loss of sensation in the head of the penis. For the small percentage where manual remodeling alone doesn’t fully straighten things, additional incisions into the plaque during the same surgery can finish the job.
What Doesn’t Work
You’ll find supplements, vitamins, and creams marketed for penile curvature. Vitamin E was once commonly recommended, but controlled studies haven’t shown it to be effective. The same goes for most oral medications that have been tried over the years. No pill reliably reduces established scar tissue in the penis. If something sounds too convenient, it probably doesn’t have the evidence behind it.
Choosing the Right Approach
The right treatment depends on several factors working together: how much curve you have, whether it’s still changing, whether you have pain, how it affects sexual function, and how much the curve bothers you personally. A curve under 30 degrees that doesn’t cause problems during sex may not need treatment at all.
If you’re in the active phase with a changing curve, traction therapy and certain injections can be started while you wait for stabilization. Once things are stable, the decision tree branches based on severity. Mild to moderate stable curves respond to injections or traction. Moderate to severe curves that interfere with sex are best addressed surgically, with plication for simpler cases and grafting or implants for more complex ones.
Congenital curvature that’s been present your whole life follows a simpler path. Since there’s no scar tissue involved and the curve doesn’t change over time, the main decision is whether it bothers you enough to warrant plication surgery. Many men with congenital curvature live with it comfortably their entire lives.