Shop Heartworm Online New Exelpet Ezy-Dose Monthly Heartwormer & Intestinal All-Wormer For Dogs 4pkExelpet $54.95 4.5 star rating(15) HeartGard Plus Worm Protection Chews for Large Dogs 23-45kg 12pkHeartgard $199.95 5.0 star rating(62) ParaGard Allwormer Tablets for Small Dogs & Puppies 5kg 4pkParagard From$17 OnePassFree delivery ParaGard Allwormer Tablets for Large Dogs 20kg 3pkParagard From$26.99 5.0 star rating(19) Heartgard Plus Small Dog 6 PackHeartgard From$45.55