It is supposed to start killing fleas within 30 minutes. That is the only flea med that seems to work for us in FL. Our boys have never had any side effects. Comfortis does not kill fleas however so watch out for them! Sue
On Tue, Aug 27, 2013 at 11:53 AM, floridapossum <floridapos...@gmail.com>wrote: > ** > > > Okay, after trying everything natural to rid my girls of fleas, I had > to break down and use comfortis. It was a difficult decision, but I gave > it with food, and then watched them like a hawk for several hours. So far, > so good. But does anyone know how long it takes for the fleas to die off? > > > Thanks, > Possum > > > > > > >
