re: Flea treatment for dogs?

I've had the best luck with Revolution/Stronghold, name depends on which country it's marketed in. It's a topical but that's not the mechanism, that's just the delivery and it absorbs and then works internally like a pill would.

Use petbucket if you want to save 40%-50%. The prices are so low it seems sketchy but I've used it for a couple of years now. You don't need a prescription.