Bisacodyl is not Miralax nor any other of the polyethylene glycol 3350 products like Movicol which itself does contain some other ingredients in addition to the main one.
Bisacodyl (Dulcolax®) for Dogs and Cats
This is an article about it. It says not to administer it without discussing it with the vet. Given that your cat has been seeing a vet, they should be informed that you are considering this since you have been using other laxatives. This works differently than others and can only be used short term unless you are told otherwise and it should not be crushed.
Bisacodyl (Dulcolax®) for Dogs and Cats
This is an article about it. It says not to administer it without discussing it with the vet. Given that your cat has been seeing a vet, they should be informed that you are considering this since you have been using other laxatives. This works differently than others and can only be used short term unless you are told otherwise and it should not be crushed.