Treatment and prognosis usually depend on how extensive the injury is and if the nerves have been permanently damaged. If the cat still has sensation in its tail, the dislocation or break can be repaired and sometimes the cat can heal by itself without surgery. Cats that show more neurological symptoms may or may not fully regain its normal function. Cats that have impaired urinary functions can usually recover, although in some cases the cat may lose the ability to fully empty its bladder, in which case it must be manually expressed on a daily basis. Recovery rate decreases if the injury has influenced the anal sphincter function, and these cats might need special care such as periodic enemas. If the tail is paralyzed, amputation is sometimes recommended to avoid further nerve injuries via excessive dragging. Amputation of the tail does not influence the mobility of the cat, and will not hinder its daily activities.
Since nerves regenerate at a very slow rate, recovery from a tail injury can take a long time. Some cats will unfortunately remain incontinent for life. For these cases, there are some medications available that can improve urinary functions and help the animal regain a percentage of its normal function. http://pethealth.petwellbeing.com/wiki/Cat_Broken_Tails