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HomeDear VetBabbleIs My Cat Experiencing Feline Hyperesthesia Syndrome After Licking a Flea Collar?

Is My Cat Experiencing Feline Hyperesthesia Syndrome After Licking a Flea Collar?


Dear VetBabble,

I think my cat might be showing signs of Feline Hyperesthesia Syndrome (FHS). It seems like this started after my cat licked another cat’s flea collar. What should we do? Is there something we need to be concerned about, and how can we help our cat?

Feline Hyperesthesia Syndrome (FHS)

Feline Hyperesthesia Syndrome (FHS) is a complex condition that affects the nerves and muscles of cats, causing unusual behaviors such as skin twitching, sensitivity around the back, and self-inflicted grooming and injuries. Identifying the underlying cause is essential, as it could be due to a medical issue like cat allergies or a behavioral issue like boredom or stress. In either case, it is crucial to consult your veterinarian to determine the right course of action for your cat. Here are three essential aspects to consider.

Addressing the Potential Cause

Using a flea collar on one cat while another cat in the household has access to lick it may not be the best idea, as certain topical medications in these collars can be toxic when ingested. If you suspect that your cat’s symptoms could be related to licking the flea collar, remove the collar from both cats immediately.

Monitor your cat for any additional symptoms or worsening of the current ones. Watch for signs of poisoning, such as lethargy, rapid breathing, loss of appetite, and vomiting. If your cat shows any of these symptoms, seek immediate veterinary help, as they might have ingested a toxic substance from the collar.

Consulting Your Veterinarian

If you suspect that your cat’s symptoms might be due to FHS or something else, it’s critical to consult your veterinarian promptly. They will thoroughly examine your cat and might order a series of tests to determine if there’s an underlying health issue. It’s very important to rule out other concerns like cat flu or skin conditions like mange.

A veterinarian can come up with a diagnosis based on the symptoms, medical history, and test results. They will provide appropriate treatment options for your cat’s specific condition, whether it’s FHS or any other ailment. Treatment can range from medications to alleviate symptoms to long-term management strategies if it’s related to an allergy or a chronic issue.

Regular Veterinary Care

One of the best ways to ensure the happiness and well-being of your cat is by scheduling regular veterinary visits. To maintain your cat’s health, it’s essential to bring them in for routine vet checks. These appointments allow your veterinarian to identify any potential issues before they become more severe and ensure your cat remains healthy and happy.

Have a discussion with your veterinarian about the appropriate use of flea preventative treatments that are safe for your cat and the other cats in your household. Your veterinarian can recommend suitable flea and tick preventatives that won’t pose a risk when ingested by your cat.


If you suspect that your cat is experiencing symptoms related to FHS or has been affected by a flea collar, it’s important to address the potential cause immediately. Consult your veterinarian to assess your cat’s symptoms and review any necessary changes to your pet’s routine or environment. By seeking prompt veterinary attention and scheduling regular vet checks, you can be proactive in ensuring your cat’s overall well-being.

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