Why do cats have bloody stools? Causes and treatments for bloody stools in cats

Feb 07,2024
7Min

Cause 1: Parasitic infection

Cryptosporidium or intestinal worms. Cryptosporidium causes inflammation of the intestines, leading to bleeding. Parasitic worms, such as hookworms or roundworms, suck blood from the intestinal wall, causing bloody stools. Parasites are one of the most common causes of blood in kitten feces.

Treatment:

Drugs to treat parasites. All cats, including those who live indoors, should be treated regularly for parasites, and deworming is essential.

Cause 2: Bacterial infection

Bacterial infections: including Salmonella, Campylobacter and E. coli. These infections can cause inflammation of the intestines, which can lead to bleeding over time.

Treatment:

Oral antibiotics and supportive care if necessary, which may include fluids to treat dehydration. If vomiting and diarrhea occur, your cat may need to eat a bland diet for a few days to allow the gastrointestinal tract to rest.

Cause three: panleukopenia (cat distemper)

Feline distemper is a highly contagious viral infection that causes a decrease in white blood cells. Kittens are most susceptible to this disease. Symptoms include loss of appetite, lack of energy, vomiting, bloody diarrhea and dehydration.

Treatment:

The prognosis for kittens is poor, especially young kittens. There are no medications that can kill the virus; intensive adjuvant treatment allows the cat's immune system to fight the virus.

Reason 4: Constipation

There is no fixed standard for the number of times a cat defecates in a day, but the average number is 1-2 times. Constipation can affect cats of any age, although it is more common in middle-aged to older cats. Hard feces can cause damage to the anus and cause bleeding.

Treatment:

Cats with mild constipation without vomiting or depression can be treated at home by providing additional fiber, laxatives, stool fluids, and increased water intake:

Cause 5: Cancer

Also known as malignant tumors, cancer is uncontrolled cell division. Cancers that may cause blood to appear in the stool include bowel cancer, colon cancer, and anal adenocarcinoma.

Treatment:

When possible, remove the tumor through surgery, or kill remaining cells through chemotherapy and radiation therapy

Cause 6: Anal sac disease

The anal sacs (anal glands) are two small sacs located on both sides of the anus, located at the five o'clock and seven o'clock positions. They function like scent glands, secreting an oily, foul-smelling substance that helps other cats identify the individual.Anal gland disease occurs when the secretions from the anal glands thicken and cause inflammation. If the anal sacs are not treated at this time, the infection can progress and an abscess can form.

Treatment:

If the anal glands are simply blocked and have not progressed to infection or abscess, you can clean the anal gland fluid yourself.

Reason 7: Food allergy

Food allergies are the third most common type of allergies in cats (after flea allergies and inhalant allergies).

The most common causes of food allergies are fish, beef, chicken, eggs, and wheat. ​​​​​​

Reason 8: Food allergy

Food allergies are the third most common type of allergies in cats (after flea allergies and inhalant allergies).

The most common causes of food allergies are fish, beef, chicken, eggs, and wheat.

Treatment:

① Avoiding food allergies is the best treatment.

② Corticosteroids control itching. Unfortunately, not all cats respond to this treatment.

③ Antihistamines relieve itching.

 ④ Antibiotics to treat skin infections caused by itching.

Cause 9: Inflammatory bowel disease

Inflammatory bowel disease is a disease caused by the infiltration of a group of inflammatory cells (white blood cells) in the gastrointestinal mucosa.

Treatment:

Diet: You need to feed a low-fat diet with high protein and high digestibility.

Cause 10: Coagulation disorder

Coagulopathy is when the blood loses its ability to form clots. Thrombocytopenia (low platelets) or hemophilia are two conditions in which cats lose their ability to clot. Certain poisons, such as rat poison, can also cause the blood to lose its ability to clot normally.

Treatment:

The goal of treatment is to find and address the underlying cause (in the case of thrombocytopenia). Supportive care such as whole blood or plasma transfusions and vitamin K injections are also necessary.

Cause 11: Colitis

Colitis is inflammation of the lining of the colon (large intestine). It may be chronic, with symptoms appearing for 14 to 21 days, or acute (sudden onset). The colon is responsible for extracting water from feces and storing feces until defecation.

Cancer, food allergies, parasites, cancer, poor diet and stress can all cause colitis.

Treatment:

Determine and eliminate the cause, and provide supportive treatment. This mayIncludes:

 ① If the colon is affected, provide a high-fiber diet.

② Anti-inflammatory drugs to reduce inflammation.

 ③ Supportive care, such as fluids and nutritional support to treat dehydration.

 ④ Treat the cause based on more specific causes.

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