Flea products and allergic reactions?

My cat is allergic to flea products that I have tried. When I used flea powder on his bed he started loosing clumps of hair.I used an over the counter flea drops on my cat who immediattly had an allergic reaction with drooling, swelling and difficulty breathing. I contacted the vet and he was treated. Fleas are still a problem. Does anybody know of any natural remodies that can be used to control fleas? and, are the advantix and frontline products less likly to cause an allergic reaction? I am afraid that he will have another seriouse reaction to the product if I try it…

Why won't flea products work on my pets??

I have 7 cats, and 2 dogs, and recently no flea products have been working on them! I have used Frontline, Frontline Plus, and Advantage! What is going on, why aren’t these products working for my pets? What else is out there that is reputable for killing fleas?

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