Why does it hurt to bleed and urinate after a double j-tube extraction?

Bleeding and painful urination after pulling out the double j tube, there may be double j tube on the urethra stimulation, resulting in conjunctival injury, there may also be secondary infection and other reasons. 1. Mucosal injury: may be in the extraction process, the mucosal stimulation friction, damage to the ureteral mucosa, resulting in bleeding and urinary pain symptoms, generally by drinking more water and rest to promote metabolism, 3 to 5 days most of them will recover on their own. 2. secondary infection: after pulling double j tube, there may be bacterial invasion, secondary bacterial infection caused by inflammatory reaction, can also lead to the phenomenon of bleeding and urinary pain, pay attention to hygiene, increase the amount of water, promote metabolism, you can carry out routine urinalysis, urine culture and other tests, diagnosis can be taken after the levofloxacin and other antibiotics for treatment. After pulling out the double j tube bleeding urinary pain, if it is a normal recovery process, pay attention to rest more observation, if there is secondary infection, should be under the guidance of the doctor to use drugs.