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Question:

Capstar with Frontline for geriatric dog

I'm really in need of some advice. I have an elderly dog, Max, who's around 14 years old. He's starting to battle a serious flea problem, and I just feel so bad for him. I recently used Frontline to try and relieve him, but the poor guy still seems uncomfortable and itchy. I've heard about Capstar and its effectiveness, but I'm unsure if it's okay to use both products together, especially given Max's age and health. He's already dealing with some age-related issues, and the last thing I want is to stress his system with too many treatments. Has anyone else had experience using Capstar and Frontline simultaneously on an older dog? I'm just a nervous pet parent trying to do what's best for Max, so any advice or personal experiences would really mean a lot! Thank you.

Answer:

Hello and thanks for reaching out about your geriatric dog's flea control! It sounds like you're considering using Capstar and Frontline together. Let’s break it down and see if this combination is safe and effective for your furry friend.



Capstar is great for quickly killing adult fleas on your dog, often working within 30 minutes. However, it doesn’t provide long-term prevention. That’s where Frontline can be helpful, as it offers ongoing protection against fleas and ticks. Using both products together occasionally is typically safe, even for seniors, but it’s important to ensure your dog isn’t overly sensitive to these treatments.



For your senior dog, it’s wise to keep an eye out for any unusual symptoms such as vomiting, diarrhea, excessive drooling, balance issues, or lethargy after applying these products. These could indicate a reaction and would require a prompt vet visit.



At home, regular grooming and vacuuming can help manage fleas too. Always read and follow the instructions on the flea medications closely, and never exceed the recommended doses.



If you have any doubts or your dog has specific health concerns, I recommend setting up a video consult with one of our vets at Dial A Vet. They can provide tailored advice to ensure your beloved pet stays happy and healthy!

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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