Why Is My Cat Throwing up Stomach Acid?

It can be concerning for cat owners to witness their furry companions throwing up stomach acid. Cats are known for their sensitive digestive systems, and occasional vomiting is not uncommon. However, when stomach acid is being regurgitated frequently, it may indicate an underlying health issue that requires attention. In this article, we will explore the possible reasons behind why cats throw up stomach acid and provide answers to some frequently asked questions regarding this matter.

Possible Causes of Cat Vomiting Stomach Acid:

1. Gastroenteritis: This condition refers to inflammation of the stomach and intestines. It can be caused by various factors such as dietary changes, infections, parasites, or food sensitivities.

2. Hairballs: Cats groom themselves by licking their fur, which can lead to the ingestion of loose hair. When the hair forms a ball in the stomach, it can cause irritation and vomiting.

3. Dietary issues: Abrupt changes in diet, consuming spoiled or rancid food, or overeating can upset a cat’s stomach, leading to the regurgitation of stomach acid.

4. Gastric reflux: Similar to humans, cats can experience acid reflux. The backward flow of stomach acid into the esophagus can cause discomfort and vomiting.

5. Intestinal blockage: Foreign objects, such as toys or string, can obstruct the intestinal tract, causing vomiting and other digestive issues.

6. Pancreatitis: Inflammation of the pancreas can cause vomiting, abdominal pain, and digestive disturbances.

7. Inflammatory bowel disease (IBD): IBD is characterized by chronic inflammation of the digestive tract and can cause vomiting, weight loss, and diarrhea.

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8. Kidney disease: Cats with kidney disease often experience vomiting, as the kidneys are responsible for filtering toxins from the body.

9. Liver disease: Liver dysfunction can lead to vomiting, along with other symptoms such as jaundice and loss of appetite.

10. Viral or bacterial infections: Infections like feline distemper (panleukopenia) or gastrointestinal infections can cause vomiting.

11. Stress or anxiety: Cats are sensitive creatures, and excessive stress or anxiety can manifest as digestive issues, including vomiting.

Frequently Asked Questions (FAQs):

1. Is it normal for cats to throw up stomach acid occasionally?
Occasional vomiting is relatively common in cats. However, if it becomes frequent or is accompanied by other concerning symptoms, it’s best to consult a veterinarian.

2. How can I prevent hairballs in my cat?
Regular grooming, such as brushing your cat’s coat, can help prevent excessive hair ingestion. Additionally, specialized hairball remedies or diets can aid in eliminating hairballs.

3. Should I change my cat’s diet if it throws up stomach acid?
Sudden diet changes can further upset a cat’s stomach. However, if the vomiting persists, consult a veterinarian to determine if a diet change is necessary.

4. Can cats get acid reflux?
Yes, cats can develop acid reflux, leading to the regurgitation of stomach acid. A veterinarian can diagnose and recommend appropriate treatment options.

5. Should I be concerned if my cat throws up bile?
Bile is a yellowish-green fluid produced by the liver. If your cat throws up bile repeatedly or exhibits other concerning symptoms, it’s advisable to seek veterinary assistance.

6. Can stress cause cats to vomit stomach acid?
Yes, stress or anxiety can disrupt a cat’s digestive system, leading to vomiting. Identifying and addressing the underlying cause of stress is important for their well-being.

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7. Is vomiting stomach acid a sign of a serious health issue?
While occasional vomiting may not be alarming, persistent regurgitation of stomach acid can be a sign of an underlying health problem. Consulting a veterinarian is recommended.

8. How can I prevent my cat from eating spoiled food?
Ensure that your cat’s food is fresh and stored properly. Feeding small, frequent meals can also help reduce the chances of food becoming spoiled.

9. Can kidney disease cause vomiting stomach acid?
Yes, kidney disease can cause vomiting, including the regurgitation of stomach acid. It is crucial to consult a veterinarian for proper diagnosis and management.

10. Are there any home remedies for cat vomiting stomach acid?
Home remedies should be used with caution, as they may not address the underlying cause. It is best to consult a veterinarian for appropriate treatment options.

11. When should I seek veterinary assistance for my cat’s vomiting?
If your cat vomits persistently, exhibits other concerning symptoms, or if you are unsure about the cause, it is advisable to seek veterinary assistance promptly.


While occasional vomiting is normal for cats, consistently throwing up stomach acid may indicate an underlying health issue. Identifying the cause is essential for appropriate treatment and ensuring your cat’s well-being. If you have concerns about your cat’s vomiting, it is always best to consult a veterinarian, who can provide a proper diagnosis and recommend the most suitable course of action.