What should I do if I have trouble urinating after bladder irrigation? In general, you can first use a hot towel on the abdomen, relax and change the position of the body to try to urinate. If you still can’t urinate with the above methods, it is recommended to go to the hospital as soon as possible for indwelling catheterization, and further examination of urinary ultrasound is needed to clarify whether there is any blood clot in the bladder. Generally it is possible that the bladder perfusion irritation of bladder mucosa caused by bleeding, blood clots blocking the urethra caused by urinary retention, if this situation occurs, may need to take antibiotics for anti-infection treatment.