My cat is having an allergic reaction to a flea collar. What do I do?

Question

I believe my cat had an allergic reaction to a flea collar I put on her today. About an hour after I put it on, she started acting weird. Irritable, and mad and scratching her neck repeatedly. Her neck looks a little swollen as well, what do I do??

Dr. B. DVM, DACVIM (Oncology) · Accepted Answer

The safest thing to do is remove the collar and bathe her. If she is having a contact reaction removing any of the residual from the collar may help. There are some flea products that are not safe in cats so if you want to take a picture of the packaging including the ingredients in the collar and upload in a second question we can let you know more about the collar. I hope this helps and thank you for using Petco Pet Education Center, formerly Petcoach!

My cat is having an allergic reaction to a flea collar. What do I do?

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