xiaflex is the only fda- approved nonsurgical treatment for appropriate adult men with peyronie's disease. along with daily penile stretching and straightening exercises, xiaflex has been proven to help gradually reduce the bend. don't receive if the treatment area involves your urethra, or if you're allergic to any collagenase or any of the ingredients. may cause serious side effects, including: penile fracture or other serious injury during an erection, and severe allergic reactions, including anaphylaxis. seek help if you have any of these symptoms. do not have any sexual activity during and for at least 4 weeks after each treatment cycle. sudden back pain reactions after treatment may occur. tell your doctor if you have a bleeding condition or take blood thinners as risk of bleeding or bruising at the treatment site is increased. talk to a urologist about what your manhood could look like. find a xiaflex-trained urologist at bentcarrot.com allergies don't have to be scary. spraying flonase daily stops your body from talk to a urologist about what your manhood could look like. overreacting to allergens all season long. psst! psst! flonase all good.