I applied Advantage flea control on my two cats several hours ago. I applied it on the back of their necks and it's obvious where it was applied as the area is all greasy from the medication. Anyway, one of my cats is licking and biting her belly area still. Is this normal after several hours after application? I applied it around 10am and it's 6pm now.
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3/2/08 at 3:02pm