My vet carried Interceptor years ago ... my last Lab ate 'em for over 14 years. He switched to Iverheart by the time I got my 4.5 year old Lab.... I'm sure they are all pretty much the same. Moka gets fleas & ticks from the flea bag dawgies next door and romping in the woods daily.... One Bravecto and they are gone in a day or so.... like magic
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I just saw a receipt for her last annual visit .... $244 which included $50 for heartworm tabs.....