What Causes Diarrhea in Cats?

Diarrhea is identified by regular loose or liquid defecation. It can be brought on by something as simple as a change in diet or a more serious disease or infection. Diarrhea might be abrupt in start and short in duration. It can also last for weeks to months or occur on and off. A single bout of diarrhea is usually not a cause for concern in cats-but if it continues for more than a day or more, it can lead to dehydration.

Change in Diet

Rapidly replacing cat’s old food for a new one can cause stomach problems. Vomiting and diarrhea prevail side effects of a fast change in diet. Another side effect of fast diet change is cat’s rejection to eat. Whenever you have to switch cat’s food, it ought to be done gradually to reduce complications.

Dairy or Other Food Intolerance

A food intolerance is an adverse reaction to a food, among its components or additives. It varies from a food allergy in that there is no immune system participation. Food allergic reactions normally cause nonseasonal itching, particularly around the head and face, swollen and swollen areas on the face and ears, loss of hair due to itching, vomiting, and diarrhea. A typical food intolerance that many individuals have heard of is milk. This is because numerous mammals do not have the enzyme necessary in order to absorb the lactose in, which is the major sugar in milk. The most common causes of food allergic reactions and intolerances in cats are fish, beef, eggs, wheat, and milk. Cats can end up being allergic and intolerant to foods they have consumed for a long period of time.

Consumption of Spoiled Food

Gastrointestinal disorder triggered by bacteria consisting of Escherichia coli, Staphylococcus, Streptococcus, Salmonella spp., Bacillus spp., Clostridium perfringens, and Clostridium botulinum, or Penitrem-A (a neurotoxin). Consumption of decaying carrion, trash, ruined food, and compost. Ingestion of musty nuts, food, or grains can cause direct exposure to Penitrem-A. Signs of trash intoxication from bacteria typically start within 3 hours of intake. They include vomiting, diarrhea which might become bloody, dehydration, fever, and signs of endotoxic shock which include depression, hypotension, collapse, either quick or slow capillary refill time, hypothermia or hyperthermia, and reduce in urine production.


Food allergies/ intolerance are brought on by a response to a particular ingredient, which is usually a protein. In some cases referred to as an ‘adverse response to food,’ it is defined as an unusual reaction to a food or food additive. There are two classes of negative reactions: those in which the body immune system is involved (usually called food allergic reactions); and those that occur without an immune part (typically called food intolerances). Allergies may last a life time so the active ingredient must be completely eliminated from your cat’s food. If your cat throws up regularly, has diarrhea, irritated skin, a bad coat condition or loss of hair, then she may have a food allergy. The most typical symptoms of a food allergy or food intolerance are digestive upset or skin inflammation.

Bacterial or Viral Infection

Rotavirus, the most typical intestinal viral infection in cats, has the capability to spread in between animals and human beings. Cats that are presumed of having a digestive viral infection must be seen by a vet immediately and ought to be kept away from other animals, infants, kids, and people with compromised body immune systems or immunodeficiency disorders. It is recommended that cats are appropriately vaccinated and kept in clean environments to reduce the possibility of contracting a digestive viral infection as it is far much easier to prevent a viral infection than it is to treat one. Digestive tract viral infection in cats commonly causes inflammation of the digestive lining, indigestion, and diarrhea. If dealt with quickly, most cats will totally recuperate from the infection. In many cases, diarrhea may be severe sufficient to cause deadly dehydration. If left untreated, certain virus pressures can turn into feline contagious peritonitis, which may be fatal.


Intestinal (GI) parasites prevail in cats, with prevalence rates as high as 45% relying on the population studied. The parasites can be wormlike (e.g., stomach worms, roundworms, hookworms, tapeworms) or single-celled microscopic organisms (e.g., Isospora, Giardia, Toxoplasma). The signs related to parasite infections are fairly nonspecific, such as a dull haircoat, coughing, vomiting, diarrhea, mucoid or bloody feces, anorexia nervosa, pale mucus membranes, or a pot-bellied appearance. The vomiting, diarrhea, anemia, and dehydration brought on by digestive parasites will damage a cat, making it more prone to viral and bacterial infections and diseases, therefore robbing your cat of health.

Other Causes

Sometimes cat experience diarrhea besause of

  • inflammatory bowel disease
  • particular medications
  • colitis
  • cancer or other tumors of the gastrointestinal tract
  • hyperthyroidism
  • kidney or liver disease

Take your animal to veterinarian to get proper detect and subsequent with CORRECT treatment.

Reyus Mammadli
Having engineering and medical education, in recent years actively engaged in the study of the development, reproduction of domestic animals. Special attention is paid to the treatment and prevention of diseases of Pets.
Pet Health
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