Thanks for writing..I still have not come to a conclusion with the whole advantix and frontline meds..My vet said that we can switch him to sentinal(spellng wrong) and that will take care of everything includig heartworm...And I guess for the ticks (it doesn't cover) I could give him a collar....I have a few months to figure that out before it gets warm...Good luck at the vet...Give him a good bath!!!!Maybe that will help the skin a bit!
