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My dog is crying after PetArmor flea treatment. Can I apply Frontline?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | unneutered | 9 years and 6 months old | 10 lbs

Talked to you yesterday about Boogies fleas and home treatment. He was so bad last night, I had to give in and buy a brand name. Unfortunately I bought the worst. I bought PetArmor. Applied it 4 hours ago and he should be feeling relief by now. He, however, is crying. Since you only use those once a month, I wonder if I can start a new one ( probably Frontline) tomorrow? Thanks, Joette

1 Answer

Most Helpful Answer

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Answered By Destini R. Holloway, DVM

Veterinarian

Published on June 29th, 2018

Unfortunately you cannot use topical medications that close together. Your best bet here is to try washing off the product immediately with Dish dawn detergent, and then to reapply the newer medication in 2 weeks. In the meantiime you can give Boogie a Capstar just about as often as you need to to rid fleas immediately after seeing them. You can purchase a Capstar at any pet store that carries this brand. This is not a preventative but it is a flea ridder that works fast (witihin 1 hr!). I hope that you are able to give Boogie some relief following his intense flea infestation. You definitely want to give him a calming aloe based or oatmeal based bath right after the Dawn bath, and a soothing conditoner from your local pet store can also be helpful. If he is still itching after tomorrow then its best to contact your vet for stronger medication. Best of luck with your pet Boogie. I hope that he gets some relief soon! Take care.

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