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My dog has fleas, bald spots, and sores. What's the best treatment?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Female | 7 months and 11 days old | 8 lbs

My gal has had fleas for atleast 10days and Ive tried everything to get rid of them, vacuuming, apple cider vinegar with water, Dawn dish liquid baths, flea shampoo baths, spraying everything with a flea killer. Im at a loss, she has scratched herself a bald spot in her back and she now has a sore on her mouth. I attached a pic of her lip...How do I fix this without an expensive bet trip?

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1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on October 16th, 2017

Thanks for using Petco Pet Education Center, formerly Petcoach! Poor Patchez! Flea allergy can be so stressful to deal with. The main thing is getting rid of fleas effectively as that is the inciting cause driving the itchiness resulting in scratching and self-traumatic lesions like that. If she is already on a flea preventative, then you could consider switching to a different product. There are many great product in the market such as Frontline and Bravecto, among others. Also, it is important to vacuum the house and all things that have contact with Patchez. Try this for 1-3 months and if does not make a difference, she may have another type of allergy such as a food allergy or environmental allergy. Good luck and thanks for letting us take care of you today!

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