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Frontline was applied 2 weeks ago, why are there still fleas visible?

April 26, 2017ago applied fleas frontline visible weeks

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Frontline was applied 2 weeks ago, why are there still fleas visible?

1 Answer

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Frontline kills adult fleas on the pet when treated. However, if the Frontline treated pet is exposed to fleas again, new fleas may jump onto the pets coat. These fleas will die of exposure to Frontline within 18 hours, and will not have a chance to lay eggs.