https://www.vetsurgeon.org/f/clinical-questions/12962/sacral-avulsion I have a 6yo cat - brought in with limp tail - however hugely aggresive - sedated - separation of verterbrae S1-2 of about 1 cm Bladder was full 120ml urine expressed easily Placed catheter to allow bladder drainage - I read bethanacol can improveen-USTelligent Community 10