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Terri, Feline Healthcare Expert
Category: Cat
Satisfied Customers: 32666
Experience:  Expert in feline health and behavior. 20 years experience with cats.
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My cat has had diarrhea for three days; the diarrhea

Customer Question

My cat has had diarrhea for three days; the diarrhea stopped, but the stools now are well formed and very dark. I had changed his food and the diarrhea then began. I changed it again--to easy digest science diet and now cat has formed very dark stool. He had one normal colored stool but several very dark-black stool .
Submitted: 11 months ago.
Category: Cat
Expert:  Terri replied 11 months ago.

Hello, My name is Terri.
It is my pleasure to assist you today!
I am reviewing your question right now and will reply in a few minutes.

Expert:  Terri replied 11 months ago.

Hi Leslie,

I am sorry Oliver has this trouble. It is dietary related. Whenever food is changer (even for the better) the body reacts. It can be diarrhea, vomiting or both.

Since the stools are now well formed stick with the latest food.

If it recurs feed Oliver a jar of baby food chicken with no onion powder. Add one tablespoon of rice cereal or boiled white rice.

In addition, give him one half tsp a day of plain yogurt for good bacteria.

If he has not been wormed recently get Excel or Profender OTC .

Please let me know how he is doing .

Please be so kind as to rate my answer with positive feedback; that is the only way I receive credit for my assistance. Thank you very much!

Providing a positive rating will not end our conversation, should you need me for any follow-up. Simply click 'Reply' for clarification or additional information, if needed, at no additional charge.

Kind regards,


Customer: replied 11 months ago.
Thanks much--but what about stool color? I have read black stool means blood-- is that true?
Expert:  Terri replied 11 months ago.

You are more than welcome.It is my pleasure to help such a wonderful person.

In humans, black, tarry stool can indicate bleeding but with animals it is more commonly a GI upset.

I would worm Oliver as worms can also cause blood in stool.

As long as he is eating and the diarrhea has stopped you do not need to worry.

If you see any red blood his stool should be analysed by his vet.