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My dog is on Nexgard. Will flea shampoo cause a bad reaction?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | spayed | 4 years and 3 months old | 12 lbs

Layla came in the house smelling like a terrible odor from something outside. I had to give her a bath with the only shampoo I had, which is flea and tick shampoo (photo is attached). She is currently on nexguard. Will there be some sort of reaction?

1 Answer

Most Helpful Answer

Dr. Melanie, BVSc MS

Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on October 11th, 2020

While it's not recommended to combine flea treatments, this should be ok. I'd just monitor Layla to be safe, but I would not expect a reaction. Next time she needs a bath and you don't have any dog shampoo, you can use Dawn dish soap. I hope this helps!
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