Skip to main content
Xiaflex

Xiaflex Side Effects

Allison Gourley, PharmDCydnee Ng, PharmD
Reviewed by Allison Gourley, PharmD, Cydnee Ng, PharmD
Last reviewed on December 21, 2023

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

Peyronie's disease:

  • Bruising in the penis (up to 66%)
  • Swelling of the penis (55%)
  • Pain in the penis (45%)

Dupuytren’s contracture:

  • Swelling (usually of the injected hand; 73%)
  • Bruising (70%)
  • Bleeding at the injection site (38%)
  • Injection site reaction (e.g., redness, irritation, warmth; 35%)
  • Pain in the injected hand (35%)
  • Tenderness (24%)
  • Swelling at the injection site (24%)

Less Common Side Effects

Peyronie's disease:

  • Blood blister
  • Penis blister
  • Itchy genitals
  • Pain during injection procedure
  • Painful erection
  • Pain during sex
  • Erectile dysfunction
  • Skin color changes

Dupuytren’s contracture:

  • Itchiness
  • Skin cut
  • Skin redness
  • Swollen or painful lymph nodes
  • Armpit pain

Xiaflex serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Complications from treatment for Peyronie's disease: severe pain, swelling, or bruising on penis; blood in urine; sharp back pain
  • Complications from treatment for Dupuytren's contracture: changes in sensation of touch in your finger(s); trouble bending your finger(s); deep skin cuts
  • Serious allergic reaction: hives; chest pain; trouble breathing; swelling of your lips, tongue, or face; dizziness; fainting; anaphylaxis

Source: DailyMed

The following Xiaflex side effects have also been reported

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

More common—Dupuytren's contracture

Bruising or bleeding at the injection site

swelling of the hands

tearing of the skin

More common—Peyronie's disease

Itching, pain, redness, swelling, or bruise of the penis

popping sound or sensation in an erect penis

Less common—Peyronie's disease

Decreased interest in sexual intercourse

inability to have or keep an erection

loss in sexual ability, desire, drive, or performance

painful sexual intercourse

Incidence not known—Dupuytren's contracture

Bone pain

lower back or side pain

painful, swollen joints

Incidence not known—Peyronie's disease

Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings

chest pain or tightness

difficult or labored breathing

lower back pain, possibly radiating to the legs, feet, arms, or chest

muscle spasms

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common—Dupuytren's contracture

Blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, lumps, numbness, rash, scarring, stinging, tingling, or ulceration at the injection site

bruise

flushing, redness of the skin or unusually warm skin at the injection site

itching, pain, swelling, or tenderness at the injection site

swollen, painful, or tender lymph glands in the neck or armpit

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

GoodRx icon

Other Xiaflex articles

GoodRx icon

Other Collagen-Specific Enzymes side effects articles

Was this page helpful?