The Hills Veterinary Clinic | Cat Care
Why Is My Cat Vomiting?
Understanding the possible causes, knowing what to do at home, and recognizing when your cat needs urgent veterinary attention.
Understanding your cat’s symptoms can help you recognize when home observation is reasonable and when professional veterinary care is necessary.
What Causes Vomiting in Cats?
There are several possible reasons your cat may vomit, ranging from dietary issues to medical conditions requiring treatment.
Hairballs and Excessive Grooming
Cats naturally swallow hair while grooming. Occasionally, accumulated fur may be expelled as a hairball. However, frequent vomiting should not automatically be attributed to hairballs.
Sudden Diet Changes
Switching foods too quickly, eating spoiled food, or consuming meals too rapidly can upset the digestive system. Cats that eat too fast may also regurgitate undigested food.
Intestinal Parasites
Intestinal worms and other parasites may cause digestive irritation, vomiting, diarrhea, weight loss, and changes in appetite.
Gastrointestinal Infections or Inflammation
Infections and inflammatory conditions affecting the stomach or intestines can lead to nausea, vomiting, diarrhea, and abdominal discomfort.
Swallowed Foreign Objects
Curious cats may swallow string, ribbons, plastic, or small toys. These objects can become trapped in the digestive tract, causing potentially life-threatening blockages.
Pancreatitis or Liver Disease
Conditions affecting the pancreas or liver may cause vomiting alongside decreased appetite, abdominal discomfort, and reduced energy.
Kidney Disease
Kidney problems, especially in older cats, may cause nausea and vomiting. Increased thirst, frequent urination, and weight loss may also occur.
Diabetes and Metabolic Conditions
Diabetes, thyroid disorders, and other metabolic diseases may cause vomiting together with changes in drinking, appetite, urination, or body weight.
Medication or Toxin Exposure
Certain medications, toxic plants, cleaning chemicals, and other harmful substances may trigger vomiting. Suspected poisoning requires immediate veterinary advice.
What Should You Do If Your Cat Vomits?
If your cat vomits only once and is otherwise alert, active, eating, drinking, and behaving normally, you may monitor them closely.
- Observe your cat for additional vomiting or changes in behavior.
- Keep fresh drinking water available.
- Offer small portions of their regular food once the vomiting has stopped.
- Avoid introducing new or unfamiliar foods.
- Remove access to potentially harmful objects and substances.
- Contact your veterinarian if vomiting happens again or other symptoms develop.
When Is Cat Vomiting an Emergency?
Seek urgent veterinary care if your cat experiences any of the following symptoms:
- Repeated or continuous vomiting.
- Unable to keep food or water down.
- Refusing food or water for more than 12 hours in an adult cat or 6 hours in a kitten, particularly with vomiting. Seek help earlier if your cat appears unwell.
- Severe lethargy or unusual weakness.
- Abdominal pain, swelling, or bloating.
- Blood in the vomit.
- Difficulty breathing or pale gums.
- Suspected ingestion of string, plastic, medication, or a poisonous substance.
Do not delay treatment. Kittens, senior cats, and cats with existing health conditions can become seriously ill or dehydrated more quickly.
How Will a Veterinarian Diagnose the Problem?
If your cat is experiencing repeated vomiting, a veterinary examination can help determine the underlying cause.
At The Hills Veterinary Clinic, our team evaluates your cat’s clinical symptoms, medical history, hydration, and overall physical condition.
Depending on the findings, diagnostic investigations may include blood testing, fecal analysis, digital X-rays, or ultrasound examinations.
The treatment plan will depend on the diagnosis and may involve fluid therapy, prescribed medication, dietary management, or further medical or surgical intervention.
A Healthy Cat Starts with Early Attention
Occasional vomiting may have a simple explanation, but persistent vomiting should never be considered normal.
Paying attention to your cat’s eating habits, energy levels, and digestive health helps you recognize potential problems early. When in doubt, consult your veterinarian for appropriate guidance.