Tks for all the good info re H/W and the different meds for fleas, ticks and h/w. Being in FL I have to med year round. LUVFLA's pup had h/w last fall and it's a hard treatment if not caught early. I use Heartgard and Comfortis for the younger 3 (3,4,5 yrs) and Sentinal for the older (15) guy. The rescue group in OH used Rev but it is a topical and the old boy has been frisky and plays with the younger ones

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Zack, Zeke, Zoey, Zipp RIP 6/28/12