Coccidia is pretty consistent and it is contagious. Regardless though, it is a good idea to get a fecal test, if this doesn’t improve soon, to make sure you aren’t dealing with an illness or some form of parasite.
I had a bunny. Bailey, that had chronic poopy butt. We did a fecal test and it came up back showing that her poo had too much yeast — which is typical of a diet that is too rich, however, in Bailey’s case by the time I got a fecal test, I had taken out ALL treats, taken out rich pellets, and was very strict about her diet. for along while. Some bunnies do have a digestive tract that is extremely sensitive and overridden with bacteria even with attempts at the best diet. I don’t know if it was related to the fact she had been a severely neglected bunny when she younger,(She was actually taken away from an owner by animal care and control), or if was because she had a deformed spine that did caused pressure on her digestive system, or if it was that she had e.cuniculi., or it if it was due to stress from all of those things or things that I was not aware of at the time) But regardless, something there was a continious imbalance in her system that made it very challenging.
I would also know when she had poopybutt when she would do that same sort of stance — stressed about the upcoming poopybutt bath. However, i had to do it for years and I got really quick about it, and she learned to just sit still, so it became much easier.
i did find ways to minimize it though and I have a site page dedicated to it. https://binkybunny.com/BUNNYINFO/Diet/BaileysDiet/tabid/187/Default.aspx
Hopefully, Bailey”s page will be able to help you out. Note: What worked for Bailey may not work for your bunny, but the goal of Bailey’s page is to help you figure out what is going on with your bunny. I had to cut things out and introduce things one by one. The system, not the results, is what’s important.
OH…and it can take a few weeks to see a positive change once you make a diet change. The worst of it you can tell within a week, but to see consistent improvement, it can take up to a month AFTER you have made the change to the diet. That is what my vet told me. I know that makes it challenging though to figure out what is really going on.