My dog still has fleas after topical. Can I use flea shampoo?

Question

I noticed some fleas on my 30 pound beagle. I put a 1.95 ml tube of hartz flea guard on him about 3 days but it didn't seem to completely clear him up. So I gave him a bath with regular dog shampoo but again I still noticed some fleas on his lower legs so I bought a hartz flea guard shampoo but I was wondering If it is too soon to use the shampoo since I just applied the flea guard within the past several days? Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 1 year and 10 months old

Dr. Elizabeth · Accepted Answer

There could be several reasons why Sonny still has fleas. First I will say that it will take a full 6 months before the fleas are finally gone and you will still see fleas for the first month or so as the numbers are still high at this point. Secondly, over the counter prods tend to be old so fleas are more likely to be immune to them. Currently the best products are oral products such as Comfortis or Simparica. I would recommend to switch to one of those. Lastly, when you use a flea shampoo after using a topical flea product, you generally wash off the topical product. So I would not recommend to use the shampoo if you want to continue using a topical product. If you switch to an oral product, the shampoo will not effect it. Make sure to treat all the animals in the house as well. Best of luck with Sonny!

My dog still has fleas after topical. Can I use flea shampoo?

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