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How long does it take for flea medicine to start working?

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asked Jan 29, 2018 in Dogs by Evelien (220 points)
How long does it take for flea medicine to start working?

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answered Jan 29, 2018 by Jodie (35,100 points)
Once you give your dog flea medicine the flea medicine should start killing off fleas within 48 hours which is 2 days.

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