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My dog has heartworms & kennel cough. Is cephalexin enough for his cough?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 12 years and 11 months old | 60 lbs

I have a dog that tested positive for heart worms. It was also diagnosed with kennel cough. It weighs approximately 60#. It was prescribed cephalexin 500 mg for dogs once a day. Is this the only medication needed or is there another medication needed as well? It coughs all the time, even when it sleeps.

1 Answer

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on January 11th, 2018

HI, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Tator! The cephalexin is just to cover him for the kennel cough. You can call your Vet to discuss a cough suppressant. I worry he is coughing more from heart worm disease. He will need to be treated for heart worm. The best treatment is the 3 injection technique with adulticide. Treating heart worm in dogs is a big deal and comes with a lot of risks. I start doxycycline and heartgard. He would get his first injection and then 1 month later the 2nd and 3rd 24 hours apart. He would need to be strictly rested for 8-10 weeks. I recommend a good discussion with your Vet regarding Tator's treatment plan. I hope this helps and I wish Tator the very best!

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