{"id":10968,"date":"2026-08-26T20:00:00","date_gmt":"2026-08-26T13:00:00","guid":{"rendered":"https:\/\/drsoaraweeurology.com\/?p=10968"},"modified":"2026-09-03T01:50:18","modified_gmt":"2026-09-02T18:50:18","slug":"xiaflex-peyronies-disease-non-surgical-treatment","status":"publish","type":"post","link":"https:\/\/drsoaraweeurology.com\/km\/2026\/08\/26\/xiaflex-peyronies-disease-non-surgical-treatment\/","title":{"rendered":"Xiaflex for Peyronie’s Disease: A Non-Surgical Way to Straighten Penile Curvature"},"content":{"rendered":"\n
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\"Dr.<\/figure>\n<\/div>\n\n\n\n
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Soarawee Weerasopone, Urologist<\/a><\/strong><\/p>\n\n\n\n

Bangkok hospital Headquarter, Bangkok<\/a><\/p>\n\n\n\n

Samitivej Sriracha hospital, Chonburi \u2014 088-022-1445<\/a><\/p>\n\n\n\n

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Book a Consultation<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

Few conditions in men’s health carry as much quiet distress as Peyronie’s disease<\/strong>. A man notices that his penis has started to bend during erection. Intercourse becomes difficult or painful. Confidence drains away. And because the subject feels embarrassing, many men wait years before asking anyone about it \u2014 often assuming that surgery is the only way out.<\/p>\n\n\n\n

It is not. In 2013, the United States Food and Drug Administration approved Xiaflex<\/strong> (collagenase clostridium histolyticum) as the first \u2014 and still the only \u2014 non-surgical treatment approved specifically for Peyronie’s disease. For the right patient, a course of injections can meaningfully reduce the curve without ever entering an operating theatre.<\/p>\n\n\n\n

This article explains, in plain language, why the penis curves in the first place, how Xiaflex works, who qualifies, what results are realistic, and what risks men should know about before saying yes. If Xiaflex is something you are interested in, please email the Urology department at bhquro@bdms.co.th<\/a> to enquire first.<\/strong><\/p>\n\n\n\n

Why the Penis Curves: Understanding Peyronie’s Disease<\/h2>\n\n\n\n

Inside the penis are two erectile chambers, wrapped in a strong but flexible sheath of connective tissue called the tunica albuginea<\/strong>. During an erection, blood fills the chambers and this sheath stretches evenly all the way around \u2014 which is what keeps the erection straight.<\/p>\n\n\n\n

Peyronie’s disease is believed to start with small, often unnoticed injuries to that sheath \u2014 a bend or buckle during intercourse, for example. In most men these tiny injuries heal without a trace. But in men who are predisposed to the condition, likely for genetic reasons, the healing process goes wrong. Instead of settling down, the body lays down excess collagen and forms a dense, inelastic scar known as a plaque<\/strong>.<\/p>\n\n\n\n

Here is the key idea: that plaque cannot stretch. When an erection occurs, the healthy tissue on one side expands normally while the scarred side stays rigid and short. The penis is pulled toward the scar \u2014 and that is the curve. The direction and severity of the bend simply reflect where the plaque sits and how large it is.<\/p>\n\n\n\n

Peyronie’s disease most often appears in men around their early fifties, though it can occur earlier or later. Beyond the physical deformity, it commonly brings pain, difficulty with penetration, erectile dysfunction<\/a>, a sense of shortening, and \u2014 very frequently \u2014 depression and strain on relationships. The emotional toll is not a footnote to this condition; for many men it is the main reason they finally seek help. If low mood is a large part of the picture, it deserves treatment in its own right alongside anything done for the curve.<\/p>\n\n\n\n

How Xiaflex Works: Dissolving the Scar<\/h2>\n\n\n\n

If the problem is a collagen scar that will not stretch, the logical solution is to break down that collagen. That is exactly what Xiaflex does.<\/p>\n\n\n\n

Xiaflex is a purified mixture of two enzymes called collagenases<\/strong>, produced by a bacterium. Think of them as molecular scissors that are specifically shaped to cut collagen. When injected directly into the plaque, the two enzymes work together to dismantle the exact types of collagen that make up Peyronie’s scar tissue.<\/p>\n\n\n\n

\"Vial<\/figure>\n\n

What makes this useful rather than dangerous is its selectivity. At the doses used in treatment, laboratory studies show these enzymes break apart the fibrous collagen of the plaque without damaging the arteries, nerves, or large veins<\/strong> running through the penis. The scissors cut the scar and leave the wiring alone.<\/p>\n\n\n\n

Research also suggests a second, quieter benefit: the enzyme appears to reduce the activity of the cells and signalling molecules that were driving the scarring in the first place. So it does not just cut existing scar \u2014 it may also help switch off the process that maintains it. That mechanism comes from laboratory work rather than from patient outcomes, so treat it as a plausible explanation rather than a proven additional benefit.<\/p>\n\n\n\n

The injection alone is only half the treatment. A few days later, the doctor performs penile modeling<\/strong> \u2014 gently but firmly stretching and bending the penis away from the direction of the curve. Because the plaque has been chemically weakened, this manual stretching helps break the softened scar apart and restore elasticity to the sheath. Injection and modeling together are what produce the straightening.<\/p>\n\n\n\n

Who Is a Candidate?<\/h2>\n\n\n\n

Xiaflex is not for every man with a bend. It is approved for adult men who meet specific criteria:<\/p>\n\n\n\n