Indwelling catheter clogged? Clean saline flushing. If the urethra is blocked, you need to go to the hospital for examination, clear specific reasons for blockage can be dealt with: First, if the edema caused by inflammation appears to be blocked, you need to carry out anti-infective treatment, after the control of the inflammation edema gradually subside, the urethra blockage can disappear, you need to carry out relevant laboratory tests to rule out the presence of infection, such as routine urine or blood tests. Secondly, if the examination found that the blockage is caused by stones, it is necessary to carry out urethroscopic lithotripsy, stone extraction treatment, the blockage of the stone crushed, removed, the urethra can be restored to the natural patency, if the blockage of the stone size is small, you can also drink more water, more urination, urination will be discharged out of the body through the way of stones. Third, if there is a malignant disease, such as urethral cancer caused by blockage, you need to be hospitalized for surgical treatment, you need to carry out local cancer removal in order to restore the smoothness of the urethra.