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Question:

Accidentally overdosed my cat on acepromazine

I'm feeling really worried and could use some advice. This morning, I totally messed up by misreading the dosage instructions for my cat's acepromazine. She was supposed to have a quarter of a tablet to help with her anxiety during vet visits, but I absentmindedly gave her an entire one instead. Almost immediately, she started acting super lethargic and groggy, which really freaked me out. She's just been lying there, not her usual self at all, and I'm sitting here panicking. I called my vet, and they said to keep an eye on her and bring her in if her condition worsens, but I'm still so scared I might have really harmed her. Has this happened to anyone else? What should I watch out for over the next few hours? Would love to hear any tips or just some reassurance. Thanks so much.

Answer:

Hi there! I'm glad you reached out—let's talk about your kitty and what we can do to help.



Acepromazine is a sedative, and while it’s useful for calming cats in certain situations, too much can lead to some unwanted effects. If your cat has had more than the recommended dose, you might notice some signs, including being unusually sleepy, wobbly when walking, or showing a lower than usual activity level. In more severe cases, you might observe low blood pressure, difficulty breathing, or an abnormally slow heart rate.



In the meantime, keep an eye on your cat in a quiet, comfortable space and limit her activities to prevent any falls or accidents if she’s unsteady. Make sure she has access to fresh water, as some cats may drool more or become dehydrated.



Please monitor for any worsening signs, such as severe lethargy, pale gums, or breathing difficulties. If you notice these, it’s important to seek immediate veterinary care.



For a more personalized assessment and guidance, I recommend booking a video consult with one of our vets at Dial A Vet. They can help ensure your furry friend gets the attention and care she needs.

Answered by

Louise - Senior Veterinary Nurse, Dial A Vet

June 22, 2025

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The "Ask a Vet" forum on Dial A Vet offers general information and helpful tips on pet health, but it's not a substitute for professional veterinary care. The advice here doesn't create a veterinarian-client-patient relationship, and our vets can't diagnose or treat your pet remotely. For emergencies or specific medical concerns, always contact your local veterinarian immediately. Your pet's health is unique, and decisions should only be made after consulting with a qualified professional. By using this forum, you acknowledge these limitations and agree to seek in-person veterinary advice for all your pet's health needs. View our content guidelines.
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