[Dog_Obsessed]

Yeah, Dori was mentioning that with Heartguard, which is one of the reasons I decided to switch. The main other one is that Sentinel also does fleas.

I agree that it is totally ridiculous, and true throughout the human and animal medical industry. I worry about allergies, as you said, especially people who have severe allergies to milk, eggs, nuts, etc. that could be inactive ingredients in medicines.