Women photodynamic therapy three times, the urethra is a little swollen, most of which is a normal physiological reaction, but also may be secondary to bacterial infection. 1. Physiological reaction: photodynamic is a physical therapy measures, the local skin and mucous membranes also have a certain irritation, after the treatment of congestion and swelling, most of the normal physiological recovery process, pay attention to hygiene and disinfection with iodine pomade, generally no special treatment. 2. Secondary bacterial infection: after photodynamic therapy, due to local skin mucosa stimulation, decreased immunity, wound contamination, there may be secondary bacterial infection, resulting in swelling and pain, and some also cause oozing, purulent secretions and other symptoms. In summary, if a woman has photodynamic therapy for three times and her urethra is a little swollen, she needs to seek medical attention in time and follow the doctor’s instructions for examination to determine whether treatment is needed.