Know and love your cat

Why is my cat not eating?

24 April 2025

As cat owners, we want our feline companions to be happy and healthy. One of the most concerning things we can experience is noticing our cat not eating. A cat's loss of appetite can stem from various factors, ranging from minor issues to potentially serious medical conditions. Understanding the possible reasons behind your cat's eating habits is crucial for addressing their needs promptly.

Circumstances in which a cat has no appetite

Cats can be quite good at hiding when they're not feeling well. Sometimes, a cat not eating is the most obvious sign that something is wrong. Other times, there may be subtle changes in behavior that can clue you in. Here are a few circumstances to consider if your cat has lost their appetite:

 

My cat is not eating much but acting normal

 

While a cat not eating much may seem less alarming if they’re otherwise acting normal, it's still important not to ignore this change. Even subtle decreases in appetite can be early indicators of potential problems. Keep a close eye on your cat's eating habits and consult your vet if you notice any persistent changes.

Sometimes, a temporary loss of appetite can be attributed to factors like a recent vaccination or a change in weather. However, it's always best to err on the side of caution and consult your vet to rule out any underlying medical conditions.

Additionally, if you’re considering changes to their environment, such as their litter box, do it gradually, and try to always keep the litter box clean and away from their food or sleeping area. Choosing clumping alternatives can be helpful, as they allow you to remove clumps and keep the litter clean at all times. At Sanicat, you can find both mineral and plant-based options.

 

My cat won’t eat and only sleeps

 

If your cat is completely off their food and spending an unusual amount of time sleeping, it's time for a visit to the vet. This combination of symptoms can indicate a serious medical condition requiring immediate attention.

Cats are experts at masking pain, and sometimes excessive sleeping can be their way of coping with discomfort. If you notice any other signs like changes in litter box habits, hiding, or vocalization, it's crucial to seek veterinary care without delay.

 

My cat is lethargic and not eating as much

 

Lethargy, combined with a decreased appetite in cats, can be a red flag. If your cat is less active than usual, sleeping more, and showing little interest in food, it could be due to an underlying health issue. Infections, dental problems, or even stress can lead to lethargy and appetite loss.

It's important to note that lethargy can manifest in different ways. Some cats may become withdrawn, while others may simply seem less playful. Pay close attention to your cat's energy levels and consult your vet if you notice any significant changes.

 

Causes of a cat not eating

 

Pinpointing the exact cause of your cat's refusal to eat often requires a closer look at their overall health and behavior. Here are some common culprits behind a cat's loss of appetite:

  • Food aversions: Sometimes, cats develop aversions to certain foods, particularly if they associate them with a negative experience, such as illness. If you suspect your cat has developed a food aversion, try offering them a different flavor or brand of food. Experimenting with different textures, such as pate or chunks in gravy, can also entice a picky eater.
  • Stress and anxiety: Cats are sensitive creatures, and changes in their environment, routine, or household can trigger stress and anxiety, leading to a loss of appetite. Identifying and minimizing sources of stress in your cat's environment is crucial for their overall well-being. Providing a safe, predictable routine and enriching their surroundings can help reduce anxiety.
  • Dental issues: Dental problems like gingivitis, tooth decay, or oral infections can make eating painful for cats, leading to a decreased appetite. Regular dental checkups are essential for cats, just like they are for humans. If you notice your cat having difficulty chewing, drooling excessively, or pawing at their mouth, schedule an appointment with your vet to address any potential dental issues.
  • Gastrointestinal issues: Problems within the digestive system, such as constipation, inflammatory bowel disease, or even hairballs, can cause discomfort and reduce a cat's desire to eat. If your cat is experiencing gastrointestinal issues, you may notice other symptoms like vomiting, diarrhea, or changes in stool consistency. It's important to address these issues promptly to prevent dehydration and other complications.
  • Respiratory infections: Upper respiratory infections can lead to congestion, making it difficult for cats to smell their food and dampening their appetite. Just like humans, cats can experience symptoms like sneezing, coughing, and nasal discharge with respiratory infections. These infections can be contagious to other cats, so it's important to isolate your cat and seek veterinary care.

What to do if my cat won’t eat

 

If you notice your cat not eating, it's essential to address the issue promptly. Here's a step-by-step guide on what to do:

  • Assess the situation: Pay attention to your cat's overall demeanor. Are they exhibiting other symptoms like vomiting, diarrhea, lethargy, or changes in behavior? Creating a detailed log of your cat's symptoms, including the duration and severity, can be helpful information to share with your veterinarian.
  • Contact your veterinarian: If your cat has refused food for more than 24 hours, or if you observe any other concerning symptoms, contact your veterinarian immediately. Your veterinarian is your best resource for diagnosing and treating the underlying cause of your cat's loss of appetite. Don't hesitate to reach out to them if you have any concerns about your cat's health.
  • Provide a comfortable environment: Ensure your cat has a calm and stress-free environment, especially during mealtimes. Consider feeding your cat in a quiet area away from noise and distractions. Using a pheromone diffuser can also help create a calming atmosphere.
  • Tempt their appetite: Try offering them small amounts of their favorite food or warming up wet food to enhance its aroma. You can also try adding a small amount of low-sodium chicken broth or tuna juice to their food to make it more appealing.
  • Follow veterinary recommendations: Your veterinarian may recommend specific dietary changes, medications, or further diagnostics depending on the underlying cause of your cat's lack of appetite.

Remember, early detection and intervention are crucial when it comes to addressing a cat's loss of appetite. By staying observant and proactive, you can help ensure your feline friend receives the care they need to thrive.