Why is My Cat Not Eating? Recognize the Early Signs of FIP
- BasmiFIP Philippines

- Sep 10
- 4 min read
Noticing your cat suddenly refusing food can be alarming for any pet parent. The cat that normally devours its meals now just stares at the bowl without any interest. Is it simply boredom with the same food, or is something more serious going on?
The truth is, the answer isn’t always simple. While lack of appetite in cats can often be triggered by mild causes, it can also be an early sign of FIP (Feline Infectious Peritonitis)—a life-threatening condition that often goes unnoticed until it’s too late.

Common and Mild Causes of Loss of Appetite
Before jumping to conclusions, it’s important to understand everyday factors that could make your cat stop eating:
Stress or AnxietyMoving to a new house, having unfamiliar visitors, or long travels can make your cat lose its appetite.Solution: Create a quiet space, keep the environment calm, and ensure their favorite food is available.
Dental or Oral IssuesGum disease, broken teeth, or mouth ulcers cause pain while chewing.Signs: The cat might lick wet food but avoid dry kibble.
Sudden Change in DietCats are sensitive to smells and textures. Switching foods too suddenly can make them reluctant to eat.
Minor InfectionsA mild cold, fever, or sneezing could temporarily affect your cat’s appetite.
👉 Important note: If your cat doesn’t eat for more than 24 hours, don’t wait too long. It’s not normal. Take them to a vet or animal clinic immediately.
When Should You Be Concerned? Loss of Appetite Can Be a Serious Warning
Cats that refuse food aren’t just being “picky.” A loss of appetite can indicate more serious health issues, such as:
Chronic Kidney Disease (CKD): Often accompanied by excessive drinking, vomiting, and weight loss.
Liver & Pancreas Disorders: You might notice yellowing of the eyes or gums.
Severe Respiratory Infections: Cats may find it difficult to smell food and may stop eating.
FIP (Feline Infectious Peritonitis): A deadly viral disease that often starts with subtle signs: loss of appetite, lethargy, and fever that won’t go away.
If you notice a combination of “loss of appetite + lethargy + fever,” it’s time to consider the possibility of FIP.
Read more: FIP Cats Treatment Guidelines
How FIP Causes Cats to Lose Their Appetite
FIP is a mutation of the feline coronavirus (FCoV) that attacks internal organs. The impact can be widespread:
Wet FIP: Fluid accumulates in the abdomen or chest, causing the cat to feel discomfort and loss of appetite.
Dry FIP: Inflammation targets vital organs, causing prolonged fever, weight loss, and a complete loss of appetite.
Ocular FIP: The eyes become cloudy, leading to vision impairment.
Neurological FIP: Cats may experience tremors, difficulty walking, or even seizures.
Loss of appetite is often the first symptom that shows up before the more specific FIP symptoms become apparent.
What Should Pet Parents Do?
Observe More CloselyTake note of when your cat stopped eating, how long it lasted, and any other symptoms that appeared.
Try Simple Solutions
Warm up the food to make it more aromatic and tempting.
Add some plain chicken broth to the food.
Serve wet food with soft textures.
Use Syringe Feeding If NecessaryIf your cat refuses to eat anything, syringe feeding can help prevent liver damage.
Consult a VeterinarianIf there’s no improvement after 24–48 hours, take your cat to the vet for blood tests or an ultrasound.
If FIP is Suspected → Act QuicklyContact BasmiFIP experts for a discussion on GS-441524 therapy. This medication has already helped thousands of cats recover from FIP worldwide.
Helping Cats with FIP Regain Their Appetite
Offer wet food with high protein content (like boiled chicken, fish, or plain meat).
Use appetite stimulants only with a vet’s recommendation.
Ensure the cat is drinking enough water to prevent dehydration.
Remember: their appetite will return with effective FIP treatment.
Conclusion
When your cat isn’t eating, it’s a signal that should not be ignored. From mild causes like stress to serious conditions like FIP, there are many possible reasons.
If your cat hasn’t eaten in more than 24 hours → take them to the vet.
If you see additional symptoms (lethargy, fever, or a bloated belly) → consider FIP.
With early detection and GS-441524 treatment, your cat has a great chance of recovery.
BasmiFIP is here to support you: from recognizing symptoms, consulting with a vet, to starting the right treatment.
👉 Don’t wait any longer. Contact BasmiFIP Experts Now.
FAQ
Q1: Why is my cat suddenly not eating?
It could be stress, dental issues, a sudden change in food, or even a serious condition like FIP.
Q2: How long can a cat not eating be dangerous?
More than 24–48 hours of not eating can lead to serious health risks like liver damage.
Q3: What are the signs that my cat is not eating due to FIP?
In addition to loss of appetite, cats with FIP typically show fever, weight loss, or a swollen belly.
Q4: Is there a quick way to restore my cat's appetite if it has FIP?
Try warm wet food, syringe feeding, and, most importantly, start GS-441524 treatment right away.



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