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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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Puppy & Dog Heartworm Medications

FREE GROUND SHIPPING on HEARTWORM PREVENTIVES

Products (Total Items: 102)
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Revolution Rx for Dogs
Average Rating(2)
Only $18.99
In Stock
Free Shipping
Iverhart Plus Rx
Average Rating(1)
Only $4.10
In Stock
Free Shipping
Sentinel Rx
Average Rating(1)
Only $8.02
In Stock
Free Shipping
Sentinel Spectrum Rx
Only $8.56
In Stock
Free Shipping
Trifexis Rx Tablets, Pink, 5-10 lbs, Single
Only $19.29
In Stock
Free Shipping
Trifexis Rx Tablets, Orange, 10.1-20 lbs, Single
Only $19.29
In Stock
Free Shipping
Trifexis Rx Tablets, Green, 20.1-40 lbs, Single
Only $19.99
In Stock
Free Shipping
Trifexis Rx Tablets, Blue, 40.1-60 lbs, Single
Only $20.99
In Stock
Free Shipping
Trifexis Rx Tablets, Brown, 60.1-120 lbs, Single
Only $21.99
In Stock
Free Shipping
Trifexis Rx, 5-10 lbs, 6 month (Pink), 6 month
Only $113.99
In Stock
Free Shipping
Trifexis Rx, 10.1-20 lbs (Orange), 6 month
Average Rating(1)
Only $113.99
In Stock
Free Shipping
Trifexis Rx, 20.1-40 lbs (Green), 6 month
Only $116.99
In Stock
Free Shipping
Trifexis Rx, 40.1-60 lbs (Blue), 6 month
Only $119.99
In Stock
Free Shipping
Trifexis Rx, 60.1-120 lbs (Brown), 6 month
Only $121.99
In Stock
Free Shipping
Rx Tri-Heart Plus, Blue, 0-25 lbs
Only $19.99
In Stock
Free Shipping
Rx Tri-Heart Plus, Green, 26-50 lbs
Only $27.99
In Stock
Free Shipping
Rx Tri-Heart Plus, Brown, 51-100 lbs
Only $32.99
In Stock
Free Shipping
Iverhart Plus Rx, 26-50 lbs, 6 Month
Only $32.98
In Stock
Free Shipping
Iverhart Plus Rx, 51-100 lbs, 6 Month
Only $42.76
In Stock
Free Shipping
Sentinel Rx, 2-10 lbs, 6 Month (Brown)
Only $48.09
In Stock
Free Shipping
Rx Sentinel Spectrum Chews, 6 pack, Orange, 2-8 lbs
Only $51.36
In Stock
Free Shipping
Rx Sentinel Spectrum Chews, 6 pack, Yellow, 26 - 50 lbs
Only $64.61
In Stock
Free Shipping
Interceptor Rx, 2-10 lbs Dog, Brown, 6 count
Only $37.99
In Stock
Free Shipping
Heartgard Plus Rx Chewable, Blue, 0-25 lbs, Single
Only $5.49
In Stock
Free Shipping
Advantage Multi Rx for Dogs, 88.1-110 lbs, 6 month (Brown)
Only $111.48
In Stock
Free Shipping
Advantage Multi Rx for Dogs, 3-9 lbs, 6 Month (Green)
Only $111.48
In Stock
Free Shipping
Advantage Multi Rx for Dogs, 9.1-20 lbs, 6 Month (Teal)
Only $111.48
In Stock
Free Shipping
Advantage Multi Rx for Dogs, 20.1-55 lbs, 6 Month (Red)
Only $111.48
In Stock
Free Shipping
Advantage Multi Rx for Dogs, 55.1-88 lbs, 6 Month (Blue)
Only $111.48
In Stock
Free Shipping
Heartgard Plus Rx, 26-50 lbs, 6 Month (Green)
Only $40.49
In Stock
Free Shipping
Heartgard Plus Rx Chewable, Green, 26-50 lbs, Single
Only $6.99
In Stock
Free Shipping
Heartgard Plus Rx Chewable, Brown, 51-100 lbs, Single
Only $7.99
In Stock
Free Shipping
Heartgard Plus Rx, Up to 25 lbs, 6 Month (Blue)
Only $31.49
In Stock
Free Shipping
Heartgard Plus, Dogs up to 25 lbs, 12 Chewables, Rx
Only $60.99
In Stock
Free Shipping
Heartgard Plus Rx, 26-50 lbs, 12 Month (Green)
Only $79.99
In Stock
Free Shipping
Heartgard Plus Rx, 51-100 lbs, 12 Month (Brown)
Only $97.99
In Stock
Free Shipping
Heartgard Plus, Dogs 51-100 lbs, 6 Chewable Tablets, Rx
Only $49.49
In Stock
Free Shipping
Interceptor Rx, 11-25 lbs Dog/1.5-6 lbs Cat, Green, 6 count
Only $37.99
In Stock
Free Shipping
Sentinel Rx, 11-25 lbs, 6 Month (Green)
Only $50.28
In Stock
Free Shipping
Revolution Topical, Puppies & Kittens up to 5 lbs, 3 Doses, Rx
Only $51.99
In Stock
Free Shipping
Revolution Topical, Dogs 5.1-10 lbs, 6 Doses, Rx
Only $103.99
In Stock
Free Shipping
Revolution Rx for Dogs, ORM-D, 10.1-20 lbs, 6 Month (Brown)
Only $106.99
In Stock
Free Shipping
Revolution Rx for Dogs,ORM-D, 20.1-40 lbs, 6 Month (Red)
Only $112.99
In Stock
Free Shipping
Revolution Rx for Dogs, ORM-D, 40.1-85 lbs, 6 Month (Teal)
Only $112.99
In Stock
Free Shipping
Revolution Rx for Dogs, ORM-D, 85.1-130 lbs, 6 Month (Plum)
Only $144.99
In Stock
Free Shipping
Revolution Rx for Dogs, ORM-D, 5.1-10 lbs, 3 Month (Purple)
Only $52.99
In Stock
Free Shipping
Revolution Rx for Dogs, ORM-D, 10.1-20 lbs, 3 Month (Brown)
Only $53.99
In Stock
Free Shipping
Revolution Rx for Dogs, ORM-D, 20.1-40 lbs, 3 Month (Red)
Only $56.99
In Stock
Free Shipping
Revolution Rx for Dogs,ORM-D, 40.1-85 lbs, 3 Month (Teal)
Only $56.99
In Stock
Free Shipping
Revolution Rx for Dogs, ORM-D, 85.1-130 lbs, 3 Month (Plum)
Only $72.99
In Stock
Free Shipping
Sentinel Rx, 26-50 lbs, 6 Month (Yellow)
Only $60.11
In Stock
Free Shipping
Iverhart Plus Rx, Up to 25 lbs, 6 Month
Only $24.61
In Stock
Free Shipping
Sentinel Rx, 51-100 lbs, 6 Month (White)
Only $72.69
In Stock
Free Shipping
Rx Sentinel Spectrum Chews, 6 pack, Green, 8 - 25 lbs
Only $53.01
In Stock
Free Shipping
Rx Sentinel Spectrum Chews, 6 pack, Blue, 51-100 lbs
Only $77.86
In Stock
Free Shipping
Rx, Iverhart Plus, 0-25 lbs,  1 Count
Only $4.10
In Stock
Free Shipping
Sentinel Spectrum Rx, 2-8lbs, 1 count
Only $8.56
In Stock
Free Shipping
Rx Sentinel Spectrum 8-25lbs, 1 ct
Only $8.84
In Stock
Free Shipping
Rx Iverhart Plus 51-100lbs Single Tab
Only $7.13
In Stock
Free Shipping
Rx Iverhart Max, Toy 6-12 lb, Single
Only $5.23
In Stock
Free Shipping
Rx Iverhart Max, Lg 50-100 lb, Single
Only $8.23
In Stock
Free Shipping
Rx Interceptor 11-25 lbs Green Single
Only $6.99
In Stock
Free Shipping
Rx Interceptor, 26-50 lbs Yellow 11.5mg Single
Only $6.99
In Stock
Free Shipping
Rx Interceptor 51-100 lbs White Single
Only $8.99
In Stock
Free Shipping
Rx Revolution, Brown Single Topical Tube Dog 10.1 -20 lb
Only $18.99
In Stock
Free Shipping
Rx Revolution, Mauve Single Topical Tube 0-5lb Puppy/Kitten
Only $18.99
In Stock
Free Shipping
Rx Revolution, Plum Single Topical Tube Dog 86-130lbs
Only $26.99
In Stock
Free Shipping
Rx Revolution, Teal Single Topical Tube Dog 41-85lbs
Only $20.99
In Stock
Free Shipping
Rx Revolution, Red Single Topical Tube Dog 21-40lbs
Only $19.99
In Stock
Free Shipping
Rx Revolution, Purple Single Topical Tube Dog 5-10lbs
Only $18.99
In Stock
Free Shipping
Rx Iverhart Max, Small 12-25 lb, Single
Only $5.23
In Stock
Free Shipping
Rx Iverhart Max, Med 25-50lb, Single
Only $6.74
In Stock
Free Shipping
Interceptor Rx, 2-10 lbs Dog, Brown, Single
Only $5.99
In Stock
Rx, Milbeguard Flavored Tablets, Dogs 2-10lbs, 6pk
Sale
$21.99  SALE!  $18.69
In Stock
Free Shipping
Rx, Milbeguard Flavored Tablets, Cats 1.5-6lbs, Dogs 11-25lbs, 6pk
Sale
$20.99  SALE!  $18.89
In Stock
Free Shipping
Rx, Milbeguard Flavored Tablets, Cats 12.1-25lbs, Dogs 51-100lbs, 6pk
Sale
$35.99  SALE!  $30.59
In Stock
Free Shipping
Rx, Milbeguard Flavored Tablets, Cats 6.1-12lbs, Dogs 26-50lbs, 6pk
Sale
$29.99  SALE!  $23.99
In Stock
Free Shipping
Rx, Milbeguard Flavored Tablets, 6pk
Sale
$20.99  SALE!  $18.69
In Stock
Free Shipping
Rx Selarid, Large Dog, 40.1-85lbs
Only $61.99
In Stock
Free Shipping
Rx Selarid, Medium Dog, 20.1-40lbs
Only $61.99
In Stock
Free Shipping
Rx Selarid, Small Dog, 10.1-20lbs
Only $60.99
In Stock
Free Shipping
Rx Selarid, XSmall Dog, 5.1-10lbs
Only $58.99
In Stock
Free Shipping
Rx Selarid, Puppy/Kitten, 5lbs and Less
Only $29.99
In Stock
Free Shipping
Rx Selarid for Dogs
Only $29.99
In Stock
Free Shipping
Rx Simparica Trio, Purple, 5.6-11lbs, 6Mg x 6 Tab
Only $124.99
In Stock
Rx Simparica Trio, Carmel, 11.1-22lbs, 12Mg x 6 Tab
Only $126.99
In Stock
Free Shipping
Rx Simparica Trio, Purple, 5.6-11lbs, 6Mg x 6 Tab
Only $124.99
In Stock
Free Shipping
Rx Simparica Trio, Gold, 2.8-5-5lbs, 3Mg x  6 Tab
Only $122.99
In Stock
Free Shipping
Rx Simparica Trio, Blue, 22.1-44lbs, 24Mg x 6 Tab
Only $137.99
In Stock
Free Shipping
Rx Simparica Trio, Green, 44.1-88lbs, 48Mg x 6 Tab
Only $141.99
In Stock
Free Shipping
Rx Simparica Trio, Brown, 88.1-132lbs, 72Mg x 6 Tab
Only $143.99
In Stock
Free Shipping
Rx Simparica Trio
Only $20.99
In Stock
Free Shipping
Rx Simparica Trio, Gold, 2.8-5.5lbs, 3Mg, Single Tab
Only $20.99
In Stock
Free Shipping
Rx Simparica Trio, Purple, 5.6-11lbs, 6Mg, Single Tab
Only $20.99
In Stock
Free Shipping
Rx Simparica Trio, Carmel, 11.1-22lbs, 12Mg, Single Tab
Only $21.49
In Stock
Free Shipping
Rx Simparica Trio, Blue, 22.1-44lbs, 24Mg, Single Tab
Only $23.49
In Stock
Free Shipping
Rx Simparica Trio, Green, 44.1-88lbs, 48Mg, Single Tab
Only $23.99
In Stock
Free Shipping
Rx Simparica Trio, Brown, 88.1-132lbs, 72Mg, Single Tab
Only $24.49
In Stock
Free Shipping
Heartgard Plus Chewables for Dogs Rx
Only $5.49
In Stock
Free Shipping
Trifexis Tablets for Dogs, Rx
Average Rating(5)
Only $19.29
In Stock
Free Shipping
Advantage Multi Rx for Dogs
Only $111.48
In Stock
Free Shipping
Tri-Heart Plus Rx
Only $19.99
In Stock
Free Shipping
 
 
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