There are probably many cat owners who wish our cats could talk to us for one reason or another. Unfortunately, as we know, cats cannot talk, which means there is no way they can verbally tell us when or why they are in pain or danger. This means it is up to us to know when there is something wrong with our beloved cats, such as when they have been poisoned. The good news is some common noticeable symptoms start to manifest in our cats when they are suffering from any sort of poisoning. These symptoms are mostly mild but can end up being severe or fatal if left untreated. It is important to act quickly if you see any noticeable symptoms or changed behavior in your cat to potentially save their lives! 

Common Clinical Signs of Poisoning in Your Cat 

Symptoms of poisoning vary depending on the toxic item, the dosage, when it was ingested, and your cat’s health and age. Below is a general list of common symptoms of poisoning in cats. 

  • Diarrhea 
  • Vomiting 
  • Fever 
  • Seizure 
  • Tremors 
  • Coma 
  • Drooling 
  • Skin inflammation 
  • Jaundice 
  • Abdominal pain 
  • Swelling 
  • Collapse 
  • Shock 
  • Irregular heartbeat 
  • Weakness 
  • Inappetence 
  • Increased thirst and urination 

Again, this is a generalized common list of poisoning indicators, and does not necessarily cover all symptoms. If you notice any change in health or behavior or simply have questions and concerns, contact your veterinarian and Pet Poison Helpline® at (855) 764-7661 for professional medical help. 


If you think your cat has ingested a toxic substance or noticed a change in health or behavior, contact your veterinarian and Pet Poison Helpline® immediately. After doing so, take your cat to a vet clinic or animal hospital so a veterinarian can assess the situation and monitor your cat. If you know what is causing the clinical signs, bring the item with you as it may help with the diagnosis. While treatment will vary depending on the severity and type of poisoning, typical treatment may start with inducing vomiting and administering activated charcoal to absorb the toxins. In more severe cases, IV fluids can be given to help with hydration and anticonvulsants to help with seizures.