Thanks for your concern. Actually I only use topical flea control when the fleas reappear on my cats, NOT every 4 weeks year round as all the manufacturers suggest. Typically for my five cats that means once or twice a year during the summer. Most products I have used worked fine for much...
All this hype about Revolution is well and good...but here I am, having had Frontline quit on me a couple years ago, switched to Advantage II, which worked, and then after a discussion with the vet on expense for treating 5 cats, switched to Revolution. He suggested getting a single large dog...