Guest janeinlisbon Posted April 19, 2010 Share Posted April 19, 2010 I have 2 greyhounds (8 and 11 years of age) who have been on Interceptor monthly for quite a few years with no adverse reactions. I have whip worm in my soil and Interceptor protects against that and Heart Worm. I've always bought Interceptor on line but my vet has a new requirement of heart worm testing anually prior to writing the prescription . He's running a special now that includes a 6 month supply of Tri-Heart. I'm a bit hesitant to switch. Does anyone have experience with Tri Heart and greyhounds. Have there been any adverse reactions? Quote Link to comment Share on other sites More sharing options...
Guest LindsaySF Posted April 19, 2010 Share Posted April 19, 2010 Tri-Heart has the same ingredients as Heartguard. It does not protect against whipworms. Quote Link to comment Share on other sites More sharing options...
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