Do not have sex or have any other sexual activity for at least 2 weeks after the second injection of a treatment cycle with XIAFLEX and after any pain and swelling has gone away.
Call your healthcare provider right away if you have any of these symptoms of an allergic reaction after an injection of XIAFLEX:
Before receiving XIAFLEX, tell your healthcare provider if you have had an allergic reaction to a previous XIAFLEX injection, or have a bleeding problem or any other medical conditions.