Yellow color feces is often associated with a rapid transit time of food through the intestines. In other words, the intestines are overactive. This can be caused by many different medical conditions like intestinal parasites, infections, or even part of a systemic disease, etc. to name a few causes. Unfortunately, on history only it will not be possible for me to pinpoint the exact underlying cause, I am sorry. In this case, I would recommend a hands-on examination with your family veterinarian and a fecal analysis as an initial screening test. In the meantime, this is what you can do:
1- Do not give things like Pepto Bismol or Imodium.
2- No food or water for 8-12 hours, need to give her gastrointestinal tract time to rest. Then, offer a small amount of water followed by a diet of rice (75%) and boiled boneless chicken or ground beef (25%) until the stool is back to normal then wean her back into her regular diet.
3- Supplement with a probiotic, these are friendly bacteria that help with regularity and inflammation. You can buy this over the counter in any pet store.
4- Follow up with your family veterinarian for a hands on examination and fecal analysis as an initial screening test.
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