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IMPORTANT SAFETY INFORMATION

Do not receive QWO if you: are allergic to collagenase or to any of the ingredients in QWO, or have an active infection at the treatment area.

QWO may cause serious side effects, including:
  • Allergic (hypersensitivity) reactions, including anaphylaxis. Call your healthcare provider right away if you have hives, trouble breathing, low blood pressure, swollen face, chest pain, dizziness or fainting after receiving QWO;
  • Injection site bruising
Before receiving QWO, tell your healthcare provider if you:
  • have a bleeding problem
  • are pregnant or may become pregnant, nursing or plan to nurse. You and your healthcare provider should decide if you will receive QWO or breastfeed.

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins and herbal supplements. Especially tell your healthcare provider if you take a medicine that prevents the clotting of your blood (antiplatelet or anticoagulant).

The most common side effects of QWO include: injection site bruising, pain, areas of hardness, itching, redness, discoloration, swelling and warmth in the treatment area.

These are not all the possible side effects of QWO. Call your healthcare provider for medical advice about side effects. You are encouraged to report side effects of prescription drugs to the FDA at www.fda.gov/medwatch or 1-800-FDA-1088.

Click for Full Prescribing Information, including Patient Information.