Why does my cat on C/D diet have recurring orange smelly diarrhea?
Updated On September 23rd, 2025
Pet's info: Cat | American Shorthair | Male | neutered | 5 years and 10 months old | 14 lbs
Cat is on c/d diet. Lately is having terrible orange smelly diarrhea. Blood work should mild intense bacterial infection (FOLATE 20.4). Was on antibiotics for 10 days and a biotic supplements. Now, cat stole is reverting back to the orange smely paddle. (TLI - 12, B12 - 1616) Any advice?
2 Answers
Most Helpful Answer
Published on August 10th, 2017
Hello and thank you for your post! The bacterial overgrowth was not very high, which is good. If the stool is not improving or got better and is getting worse off of antibiotics, I would consider going through a second round of antibiotics (with a potentially different antibiotic) and for a longer period of time. Some antibiotics that I use for the intestinal overgrowth is Metronidazole and Tylosin. These antibiotics I've had quite a good track record of getting these diarrhea cases to resolve. Another possibility is that the food (C/D) may be causing the soft smelly stool. You might consider switching to Royal Canin SO as an alternative option. I would consult with your veterinarian to discuss this more in depth and to get him on another round of antibiotics. Please feel free to contact me with any other questions / concerns you may have.
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on April 5th, 2020
I suspect the poor quality of the stool is a big problem though a poor quality litter could also be the cause. If the diarrhea has continued beyond 48 hours, I recommend to have Flynn examined by the veterinarian. With continued diarrhea, there are often bacterial shifts in the gut that will make matters worse regardless of the initial cause. Make sure to bring in a sample of fresh stool. The doctor will check him for parasites and bacterial over growth. Many times a bland diet can help and then a slow, gradual introduction to the normal food can be done. A bland diet can consist of 25% boiled white meat chicken and 75% boiled white rice. This should all be plain. A good diet in general is Royal Canin. It is low residue and highly digestible. I hope your kitty starts feeling better quickly! Please feel free to post any additional questions.
1Pet Parents found this answer helpful
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