What Is The Difference Between Heartgard And Heartgard Plus - Web heartgard ® plus (ivermectin/pyrantel) contains 2 active ingredients, ivermectin and pyrantel. Web although the two sound quite similar, there is a fundamental difference between heartgard and heartgard plus:. First, let’s dissect the components that make these medications. Web range of parasites covered. Web although the manufacturer (merial) of heartgard (sic) and heartgard (sic) plus does not know how to spell the word. The ivermectin works to prevent. Specifically designed to prevent heartworm disease by targeting the larvae.
First, let’s dissect the components that make these medications. The ivermectin works to prevent. Specifically designed to prevent heartworm disease by targeting the larvae. Web range of parasites covered. Web although the two sound quite similar, there is a fundamental difference between heartgard and heartgard plus:. Web heartgard ® plus (ivermectin/pyrantel) contains 2 active ingredients, ivermectin and pyrantel. Web although the manufacturer (merial) of heartgard (sic) and heartgard (sic) plus does not know how to spell the word.