Diarrhea is one of the most common illnesses among our pets such our dogs and cats. Diarrhea is usually defined as passing of stool more than three times in one day in which the consistency of the stool is loose and liquid in nature. There are several causes of diarrhea such as intestinal disease either the small or large bowel or it can be caused by other organs in the body. By knowing the eating habits, diet and your pet's environment, the veterinarian can easily answer and diagnosed why your pet is having it. Your vet can determine the cause of your diarrhea.



Varying examinations and diagnosis must be done in order to test, diagnose and treat diarrhea since there are also varying causes. Disease of the small intestine would account for bigger amounts of stool that passes as well as the frequency which is about more than 3 bowel movements per 24 hours. You may observe that when this happens, your pet easily bowels with no difficulty and straining. These pets with disease of the small intestine may also lose weight due to vomiting. Make sure adequate hydration is observed. Another thing is that gas production is evident as the rumbling of the belly can be heard from your pets.


On the other hand comes the large intestinal problems. Parts of this include your pets colon and rectum. However, diarrhea in this part of the intestine will allow to pass small amounts of stool only but in more frequent manner at about 5 times a day. As you can observe on your pet, it strains in order for its bowel to pass. The stool can vary in appearance and consistency. If it is dark or coffee colored stool, then it means that there is blood. In this type of diarrhea, losing weight and vomiting does not usually occur.


Causes of Diarrhea of Small Intestine

> Viruses (canine distemper, canine pervovirus, canine coronavirus, feline panleukopenia virus , feline coronavirus).

Note: These viruses are common in pets with poor and incomplete vaccines.

> Bacteria (Salmonella, clostridia, campylobacter)

>Worms and giardia

>Foreign dirty objects that causes trauma to the stomach

>Immediate change in your pet's diet (this does not cause vomiting)

>Allergies in food

>Toxins such as insecticides, insect repellants, cockroach strips, can be eaten by your pets and may cause diarrhea and vomiting

>IBD or inflammatory bowel disease

>Intestinal tumors

>Fungal disease and infections such as histoplasmosis

>Pancreatitis or inflammation of the pancreas


Causes of Diarrhea of Large Intestine:



>IBD or inflammatory bowel disease

>Colon ulcers

>Colon cancer



Manifestations of Diarrhea

> Weight loss

>Improper absorption of nutrients



Diagnostic Procedures

>Blood tests

>Stool examinations




>Biospy if a tumor is found


Management of diarrhea usually includes NPO or nothing per orem. This means that no food shall be given. However, water is encouraged to prevent dehydration since in diarrhea, fluid loss is at stake. So to prevent this, adequate hydration is a must. If the the diarrhea stops, food should be given moderately. However if it doesn't , do not give your pets over-the-counter medications. One should consult the veterinarian already.