Written by Jan Rasmusen on May 13, 2009 Heartworms are Spread by Mosquitoes. Heartworm Meds are Spread by Fear. It’s getting warmer outside — time for sellers of heartworm medications to start scaring you. Television and print ads, which used to push meds only during warm summer months, now urge you to keep your dog on medication year round. The question is: why the change? Drs. David Knight and James Lok of the University of Pennsylvania School of Veterinary Medicine, addre

Written by Jan Rasmusen on June 16, 2009 If you haven’t read Part 1 of this article, “ Heartworm Medication: Truths, Omissions and Profits ,” please read it now unless you completely understand how and when heartworms are transmitted . Click the link at that article’s end to return here. A Heartworm Society news release states: “By giving heartworm prevention every month, forgetful pet owners will have their pets protected when they need it most.” But doesn’t that also mean