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* FREE STANDARD GROUND SHIPPING within the contiguous United States on qualifying orders of $100 or more. Certain items marked free shipping, perishable, drop ship, special order, and orm-d are not included in the $100 total. Handling fee of $1 applies to all orders. Oversize fees are listed on product page. Call for drop ship fees. Express delivery is available upon request. Perishable items (including vaccines and some medications) can only be shipped overnight, and are not eligible for free standard ground shipping. Other restrictions may apply.

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Pet Heartworm Preventive Meds


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Learn more >>Heartworm Disease in Dogs

FREE GROUND SHIPPING on all Heartworm Preventatives!

Products (Total Items: 123 )
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Heartgard Plus Chewables for Dogs Rx
$6.08
In Stock Free Shipping
Trifexis Tablets for Dogs, Rx
Average Rating(5)
$19.29
In Stock Free Shipping
Advantage Multi for Cats Rx
$101.48
In Stock Free Shipping
Advantage Multi Rx for Dogs
$113.15
In Stock Free Shipping
Tri-Heart Plus Rx
$21.99
In Stock Free Shipping
Revolution Rx for Cats
Average Rating(1)
$21.99
In Stock Free Shipping
Revolution Rx for Dogs
Average Rating(2)
$21.99
In Stock Free Shipping
Iverhart Plus Rx
Average Rating(1)
$4.23
In Stock Free Shipping
Sentinel Flavor Tabs Rx
Average Rating(1)
$47.99
In Stock Free Shipping
Sentinel Spectrum Rx
$51.49
In Stock Free Shipping
Trifexis Rx, 10.1-20 lbs (Orange), 6 month
Average Rating(1)
$113.99
In Stock Free Shipping
Trifexis Rx, 20.1-40 lbs (Green), 6 month
$116.99
In Stock Free Shipping
Trifexis Rx, 40.1-60 lbs (Blue), 6 month
$119.99
In Stock Free Shipping
Trifexis Rx, 60.1-120 lbs (Brown), 6 month
$121.99
In Stock Free Shipping
Rx Tri-Heart Plus, Blue, 0-25 lbs
$21.99
In Stock Free Shipping
Rx Tri-Heart Plus, Green, 26-50 lbs
$28.99
In Stock Free Shipping
Rx Tri-Heart Plus, Brown, 51-100 lbs
$37.99
In Stock Free Shipping
Iverhart Plus Rx, 26-50 lbs, 6 Month
$33.97
In Stock Free Shipping
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