Skip to main content

Colitis

Inflammation of the colon (large intestine)

Symptoms of Colitis in Pets

Colitis in pets is a health condition that can affect both dogs and cats. It may cause various symptoms and requires veterinary attention for proper diagnosis and treatment. Early detection is important for managing this condition effectively.

Colitis, characterized by inflammation of the colon, can cause a variety of symptoms in pets. Signs may include:

  • Diarrhea or loose, watery stools
  • Increased frequency or urgency of bowel movements
  • Blood in stool: Colitis can cause bleeding in the colon, leading to the presence of blood in the stool
  • Straining during defecation: Discomfort during bowel movements may result in straining
  • Lethargy or decreased activity level
  • Loss of appetite or decreased food intake
  • Dehydration: If your pet is vomiting or having diarrhea, they may become dehydrated. Look for signs such as increased thirst or dry gums.
  • Abdominal pain or discomfort: Signs include restlessness, pacing, or a hunched posture

Cats often show more subtle signs of pain or discomfort, such as:

  • Increased hiding
  • Reduced grooming
  • Changes in vocalization
  • Changes in litter box habits, including urinating or defecating outside the box

Colitis can be caused by various factors, including dietary indiscretion, infections, parasites, or inflammatory conditions. Other health conditions may share similar symptoms with Colitis, including Pancreatitis, Inflammatory Bowel Disease, or Gastroenteritis.

Colitis in Dogs vs Cats

Colitis in dogs: Dogs often show more obvious physical symptoms and behavioral changes. Common causes in dogs include toxin ingestion (grapes, raisins, antifreeze, certain medications), infections such as Leptospirosis or Lyme disease, and breed-specific predispositions. Early signs in dogs may include increased thirst, frequent urination, and lethargy.

Colitis in cats: Cats tend to hide signs of illness until the condition is more advanced. Chronic conditions are particularly common in older cats (senior cats over 7 years). Watch for subtle changes such as decreased appetite, weight loss, changes in litter box habits, and reduced grooming. Regular wellness exams are especially important for early detection in cats.

What Happens at the Vet for Colitis

When you visit your veterinarian for concerns related to colitis, the following may occur:

  • Medical history: They will review your pet's medical history and discuss details about your pet's symptoms, duration and pattern of occurrence, and any potential triggers or dietary changes.
  • Physical examination: The veterinarian will perform a thorough exam, checking for any abnormalities, particularly in the abdomen.
  • Diagnostic testing: Diagnostic testing such as blood tests, fecal examination, and imaging (such as x-rays or ultrasound) may be recommended to evaluate the gastrointestinal tract and to rule out other underlying conditions such as foreign body ingestion. Advanced diagnostics may be discussed in cases of chronic or severe colitis.
  • Treatment options: These can vary depending on the severity and underlying cause. It may involve fluid therapy to address dehydration, medications to control diarrhea, supportive care to alleviate symptoms, and in severe cases, hospitalization with intravenous fluids and medications.
  • Follow-up care: Your veterinarian will discuss a follow-up plan, which may involve diet change, additional tests, or adjustments to your pet’s daily routine.

Your veterinary healthcare team will partner with you to decide which treatment option is best for your pet's and your family’s specific condition and situation. 

How to Prevent Colitis in Pets

While it may not be possible to prevent all instances of colitis, there are proactive measures you can take to reduce the risk and protect your pet's digestive health. Here are some preventative measures you can implement at home:

  • Provide a balanced and appropriate diet: Feed your pet a high-quality, balanced diet that meets their nutritional needs. Consult with your veterinarian to determine the best diet for your pet's specific requirements.
  • Avoid sudden dietary changes: Gradually introduce any new type of food to minimize the risk of stomach upset.
  • Avoid giving table scraps or inappropriate foods: Human food, especially spicy, fatty, or toxic foods, can contribute to colitis in pets. Stick to a diet suitable for pets and avoid sharing table scraps.
  • Prevent access to harmful substances: Keep household chemicals, toxic foods and plants, and human medications out of your pet's reach to prevent accidental ingestion.
  • Practice good hygiene: Regularly clean your pet's food and water bowls, provide fresh water, and practice proper waste disposal to minimize the risk of bacterial contamination.
  • Prevent parasites: Ensure your pet is on a regular parasite prevention program. Many monthly heartworm preventions are also dewormers for common intestinal parasites (worms).
  • Vaccinations: Keep your pet up to date on vaccinations. Certain viral infections, such as parvovirus in dogs or feline panleukopenia in cats, can cause severe colitis.

Consult with your veterinarian for personalized advice and guidance on preventing colitis in your pet. They can provide tailored recommendations based on your pet's specific needs and medical history. 

Please note the information provided here is not a substitute for professional veterinary advice. If you suspect your pet has gastroenteritis or any other health concerns, consult your veterinarian for proper diagnosis and treatment. 

Nationwide® pet insurance claim example

Veterinary bill

$403

You pay only

$81

Colitis

You save

$322

Example reflects Modular Plan Accident, Illness and optional Congenital & Hereditary rider as well as the optional Cruciate rider added after the first year of coverage, with $5,000 annual limit for each category and 80% reimbursement after the $250 annual deductible has been met. This plan may not be available in all areas. Pre-existing conditions are not covered. Veterinary bill amount is based on expenses incurred in the first 30 days after initial diagnosis.

Cost breakdown for Colitis treatment
ItemAmount
ConditionColitis
Potential veterinary cost$403
You pay with insurance$81
You save$322

Colitis treatment can cost $403. With Nationwide pet insurance, you pay only $81 and save $322. Example reflects Modular Plan Accident, Illness and optional Congenital & Hereditary rider as well as the optional Cruciate rider added after the first year of coverage, with $5,000 annual limit for each category and 80% reimbursement after the $250 annual deductible has been met. This plan may not be available in all areas. Pre-existing conditions are not covered. Veterinary bill amount is based on expenses incurred in the first 30 days after initial diagnosis.

Nationwide® pet insurance claim example

Veterinary bill

$403

You pay only

$81

Colitis

You save

$322

Example reflects Modular Plan Accident, Illness and optional Congenital & Hereditary rider as well as the optional Cruciate rider added after the first year of coverage, with $5,000 annual limit for each category and 80% reimbursement after the $250 annual deductible has been met. This plan may not be available in all areas. Pre-existing conditions are not covered. Veterinary bill amount is based on expenses incurred in the first 30 days after initial diagnosis.

Cost breakdown for Colitis treatment
ItemAmount
ConditionColitis
Potential veterinary cost$403
You pay with insurance$81
You save$322

Nationwide® pet insurance claim example

Veterinary bill

$403

You pay only

$81

Colitis

You save

$322

Example reflects Modular Plan Accident, Illness and optional Congenital & Hereditary rider as well as the optional Cruciate rider added after the first year of coverage, with $5,000 annual limit for each category and 80% reimbursement after the $250 annual deductible has been met. This plan may not be available in all areas. Pre-existing conditions are not covered. Veterinary bill amount is based on expenses incurred in the first 30 days after initial diagnosis.

Cost breakdown for Colitis treatment
ItemAmount
ConditionColitis
Potential veterinary cost$403
You pay with insurance$81
You save$322

Colitis is a health condition affecting both dogs and cats. Symptoms may include changes in behavior, appetite, mobility, or physical appearance — early detection is key to effective treatment. Symptoms to watch for, What happens at the vet, Preventive measures. Treatment can cost $403. Consult your veterinarian if you notice any unusual symptoms in your pet.

This article has been reviewed by a licensed veterinarian for medical accuracy. The information provided is for educational purposes and should not replace professional veterinary advice. Always consult your veterinarian for diagnosis and treatment of your pet's health conditions.