Diarrhea in cats: causes and treatments

Posted on December 19 2018

Diarrhea in cats: causes and treatments

Although mild in appearance, diarrhea can be the result of more serious problems in your cat. If the worry should not win you too quickly, do not neglect some forms of diarrhea.

As in humans, diarrhea is a sign of a digestive disorder or even an infection . In most cases, it is a benign disease in your cat that will pass over time, a small drug treatment or a change in his diet.


If your cat has diarrhea, you will notice it at its time of passage a little longer in its litter. The consistency of his stool will also be a good indication. They will be soft, even liquid and rather smelly .

Your cat may suffer from acute short-term or chronic diarrhea (several weeks), but also from persistent diarrhea . It is the latter who must alert more.

Causes of diarrhea

The sudden onset of diarrhea can be the result of multiple causes, benign or a little more alarming:

  • Changing the diet of your cat. Its digestive flora is particularly sensitive. Your cat may not be able to support his new diet. In fact, if your desire is to change the food of your cat, you must do it gently. Increase the new portion each day and reduce the old portion. A sudden change will not be well tolerated. Favor the croquettes to the pâtés.
  • Allergy or food intolerance . The cats of a certain age are more sensitive at the digestive level. As they age, they can develop intolerances to certain foods. In addition, your cat may simply be allergic to a food, or have swallowed food obsolete.
  • A gastroenteritis of viral or bacterial origin. Often, diarrhea is accompanied by vomiting. An appointment with the veterinarian is essential.
  • If your cat is not dewormed , it is likely to develop parasites . Therefore, these, in the digestive tract, can cause the onset of diarrhea. In this case, you must have it dewormed immediately. Your vet will advise you. Remember, in the absence of digestive disorders, to deworm your cat every 6 months or so.
  • Diarrhea can also be triggered due to the psychological state of your cat. A change in the environment can cause stress , sometimes a source of diarrhea.
  • The diarrhea can come from more worrying or even deadly diseases like Typhus . In this case, other symptoms will appear.
  • Your cat may have a digestive infection such as infectious peritonitis . An emergency visit to your veterinarian is required.

How to react to your cat's diarrhea?

First of all, do not rush to your vet. Keep your cat inside your home. If he has congeners, leave him in solitary confinement . Make it fast for 24 hours.

On the other hand, diarrhea causes significant dehydration in your cat. In fact, after more than 48 hours of diarrhea, make your cat drink more. You must not deprive your cat of food. Just give him his ration in smaller amounts spread over the day. From now on, do not hesitate to contact your veterinarian to determine the cause of the diarrhea.

In addition, if your cat's stool changes color , consult your veterinarian immediately. Stools can turn red in the case of ulceration of the intestinal wall or become whitish in the case of a bacterial infection .

If you visit your veterinarian , it will collect samples of blood, urine and stool. Then, if necessary, additional examinations will be carried out.

Feeding advice for mild diarrhea

Your cat will have to ingest a high quality food. Your veterinarian will prescribe antibiotics to stimulate your intestinal flora. In any case, your veterinarian will advise you according to the case of your cat.

In summary

The cause of diarrhea is often a benign factor . Poor nutrition, intolerance, allergy or simple gastroenteritis. In the vast majority of cases, you do not have to worry too much. However, be sure to hydrate your cat and be alert to any symptoms other than diarrhea. They may indicate a larger underlying disease, and in some cases even fatal.

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