Why is my dog throwing up after wearing a new flea collar? Is it safe?

Question

i bought my dog a flea and tick collar 3 days ago an 4 hours after she was puking why is that. Pet's info: Dog | Labrador Retriever | Female | unspayed | 35 lbs

Jenna Beyer, DVM, MBA, cVMA · Accepted Answer

It is possible that Xina had a reaction to the flea collar. If you have not already done so, I would remove the flea collar and wash the fur and skin where the collar was. Many pets will have reactions to flea collars, so I recommend another form of flea preventative. She may also react to topical flea preventatives, so, in her case, it may be best to use a prescription oral preventative from your vet.

Why is my dog throwing up after wearing a new flea collar? Is it safe?

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