Mine was have loose stool issues so same thing I took him completely off veggies and brought him to the vet. My vet knew right away what to do and it was way more serious them it seemed. He was on one medication to help his eating come back. I had to force feed him pure timothy weird mix my vet gave me to get things moving again. Then he was given a stress medication that really a parasite killer because he thought he may have saw a parasite. Another medication was to put his stomach back together. One day when my vet wasn’t there we took Pretty Boy to a different “rabbit vet” and she had no idea what she was doing, so make SURE you have a very very rabbit-savvy vet. Then when the vet said I could start slowly giving him veggies again, I had to learn what ones upset him and what ones went well. For my bun it is kale. Kale fixed his WHOLE issue. Never give lettuce it can cause loose stool because of the water levels in it. Cilantro is VERY good for buns so try that. Find a better vet, make sure bunny is on really good food (Oxbow) if vet says slowly add veggies like ONE leaf at a time, if it upsets her, take it away. Good Luck!!!!!!

Hi!
Diarrhea is very dangerous for bunnies, they can loose a lot of fluids when they have it, but also not produce the cecotrophs they need to eat.The veggies might be causing this but, also she might have a bad bacterial infection that you will need to treat with metronitozol ( no idea how to spell it) it would clear my bun right up but he will occasionally have it since he has pasturella chronically that will flare up and cause many issues.
I would make sure to keep her on pro and prebiotics for a month or so after antibiotics because it can take up to 6 months for their flora to get back to normal and they can have diarrhea during their recovery. I would take her off pellets and make her have a hay strict diet with of course, lots of water and see if she improves. I agree with Ella, Make sure you have a rabbit savvy vet because they will know how to treat exactly what your bun has. Kale has a lot of calcium in it and can cause stones which Caramel had so it should only be used sparingly as Ella said- it causes issues.

I hope this helps

As for the diarrhea, what are the veggies you’re giving her? Here’s a list of safe food for rabbits: https://rabbit.org/suggested-vegetables-and-fruits-for-a-rabbit-diet/

Some rabbits can’t tolerate some veggies, slowly reintroduce each different vegetable and see if anything happens, you may find the culprit. 

Are you sure it was actual diarrhea, not just a mark from cecatropes?

Cecatropes are the special type of poop that bunnies eat. From what you’ve said, it sounds like it was just a small brown stain on a towel? But she was also still doing regular, round hay poops? in which case, that’s not serious. In true diarrhea in bunnies they don’t do any normal poops at all, and all their poops are just liquid, which is a very serious situation. In your case, it sounds as if it could have just been some cecatrope stains on the towels, in addition to regular poops. Every now and then I see a small brown stain on one of my bunnies rugs, and it’s just from cecatropes.

True diarrhea is differentiated from sticky poop/poopy butt/liquid cecotropes by the presence or non-presence of normal, round poop as well as the soft/liquid poop. If there are normal, round poop, it’s not true diarrhea.

I have seen the brown stains you describe with my bun, and I know other forum members that have asked about similar things. It is due to a slight imbalance in the gut microbiota. Hay is the best thing to counteract such imbalances. Cutting back on vegs and fruit was very wise

You could wait a bit longer with re-introducing greens, but the most important thing is to do the reintroduction veeery slowly.

Memory foam bath mats can be very good for sore hock buns.