Free $30 eGift card with your $100 order

Prescription Heartworm Prevention for Dogs

Slide 1 of 9
Heartgard Plus Chew for Dogs, up to 25 lbs, (Blue Box), 6 Chews (6-mos. supply) slide 1 of 9
Heartgard Plus Chew for Dogs, up to 25 lbs, (Blue Box), 6 Chews (6-mos. supply) slide 2 of 9
Heartgard Plus Chew for Dogs, up to 25 lbs, (Blue Box), 6 Chews (6-mos. supply) slide 3 of 9
Heartgard Plus Chew for Dogs, up to 25 lbs, (Blue Box), 6 Chews (6-mos. supply) slide 4 of 9
Heartgard Plus Chew for Dogs, up to 25 lbs, (Blue Box), 6 Chews (6-mos. supply) slide 5 of 9
Heartgard Plus Chew for Dogs, up to 25 lbs, (Blue Box), 6 Chews (6-mos. supply) slide 6 of 9
Heartgard Plus Chew for Dogs, up to 25 lbs, (Blue Box), 6 Chews (6-mos. supply) slide 7 of 9
Heartgard Plus Chew for Dogs, up to 25 lbs, (Blue Box), 6 Chews (6-mos. supply) slide 8 of 9
Heartgard Plus Chew for Dogs, up to 25 lbs, (Blue Box), 6 Chews (6-mos. supply) slide 9 of 9

Loading options...

Loading options...

Heartgard Plus Chew for Dogs, up to 25 lbs, (Blue Box), 6 Chews (6-mos. supply)

Rated 4.9 out of 5 stars
22,032
$59.59 Chewy Price
($9.94/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Slide 1 of 9
Tri-Heart Plus Chewable Tablet for Dogs, 26-50 lbs, (Green Box), 6 Chewable Tablets (6-mos. supply) slide 1 of 9
Tri-Heart Plus Chewable Tablet for Dogs, 26-50 lbs, (Green Box), 6 Chewable Tablets (6-mos. supply) slide 2 of 9
Tri-Heart Plus Chewable Tablet for Dogs, 26-50 lbs, (Green Box), 6 Chewable Tablets (6-mos. supply) slide 3 of 9
Tri-Heart Plus Chewable Tablet for Dogs, 26-50 lbs, (Green Box), 6 Chewable Tablets (6-mos. supply) slide 4 of 9
Tri-Heart Plus Chewable Tablet for Dogs, 26-50 lbs, (Green Box), 6 Chewable Tablets (6-mos. supply) slide 5 of 9
Tri-Heart Plus Chewable Tablet for Dogs, 26-50 lbs, (Green Box), 6 Chewable Tablets (6-mos. supply) slide 6 of 9
Tri-Heart Plus Chewable Tablet for Dogs, 26-50 lbs, (Green Box), 6 Chewable Tablets (6-mos. supply) slide 7 of 9
Tri-Heart Plus Chewable Tablet for Dogs, 26-50 lbs, (Green Box), 6 Chewable Tablets (6-mos. supply) slide 8 of 9
Tri-Heart Plus Chewable Tablet for Dogs, 26-50 lbs, (Green Box), 6 Chewable Tablets (6-mos. supply) slide 9 of 9

Loading options...

Loading options...

Tri-Heart Plus Chewable Tablet for Dogs, 26-50 lbs, (Green Box), 6 Chewable Tablets (6-mos. sup...

Rated 4.8 out of 5 stars
2,228
$38.99 Chewy Price
($6.50/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Slide 1 of 9
Simparica Trio Chewable Tablet for Dogs, 11.1-22.0 lbs, (Caramel Box), 6 Chewable Tablets (6-mos. supply) slide 1 of 9
Simparica Trio Chewable Tablet for Dogs, 11.1-22.0 lbs, (Caramel Box), 6 Chewable Tablets (6-mos. supply) slide 2 of 9
Simparica Trio Chewable Tablet for Dogs, 11.1-22.0 lbs, (Caramel Box), 6 Chewable Tablets (6-mos. supply) slide 3 of 9
Simparica Trio Chewable Tablet for Dogs, 11.1-22.0 lbs, (Caramel Box), 6 Chewable Tablets (6-mos. supply) slide 4 of 9
Simparica Trio Chewable Tablet for Dogs, 11.1-22.0 lbs, (Caramel Box), 6 Chewable Tablets (6-mos. supply) slide 5 of 9
Simparica Trio Chewable Tablet for Dogs, 11.1-22.0 lbs, (Caramel Box), 6 Chewable Tablets (6-mos. supply) slide 6 of 9
Simparica Trio Chewable Tablet for Dogs, 11.1-22.0 lbs, (Caramel Box), 6 Chewable Tablets (6-mos. supply) slide 7 of 9
Simparica Trio Chewable Tablet for Dogs, 11.1-22.0 lbs, (Caramel Box), 6 Chewable Tablets (6-mos. supply) slide 8 of 9
Simparica Trio Chewable Tablet for Dogs, 11.1-22.0 lbs, (Caramel Box), 6 Chewable Tablets (6-mos. supply) slide 9 of 9

Loading options...

Loading options...

Simparica Trio Chewable Tablet for Dogs, 11.1-22.0 lbs, (Caramel Box), 6 Chewable Tablets (6-mo...

Rated 4.8 out of 5 stars
14,441
$210.09 Chewy Price
($35.02/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Slide 1 of 3
Iverhart Plus Chewable Tablet for Dogs, 51-100 lbs, (Brown Box), 6 Chewable Tablets (6-mos. supply) slide 1 of 3
Iverhart Plus Chewable Tablet for Dogs, 51-100 lbs, (Brown Box), 6 Chewable Tablets (6-mos. supply) slide 2 of 3
Iverhart Plus Chewable Tablet for Dogs, 51-100 lbs, (Brown Box), 6 Chewable Tablets (6-mos. supply) slide 3 of 3

Loading options...

Loading options...

Iverhart Plus Chewable Tablet for Dogs, 51-100 lbs, (Brown Box), 6 Chewable Tablets (6-mos. sup...

Rated 4.8 out of 5 stars
663
$49.10 Chewy Price
($8.19/ea) Price per Unit
$52.43 List Price
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Heartgard Plus Chew for Dogs, 26-50 lbs, (Green Box), 6 Chews (6-mos. supply)

Rated 4.9 out of 5 stars
11,468
$75.49 Chewy Price
($12.59/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Interceptor Plus Chew for Dogs, 25.1-50 lbs, (Yellow Box), 6 Chews (6-mos. supply)

Rated 4.8 out of 5 stars
3,834
$75.79 Chewy Price
($12.64/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Heartgard Plus Chew for Dogs, 51-100 lbs, (Brown Box), 6 Chews (6-mos. supply)

Rated 4.8 out of 5 stars
20,401
$90.69 Chewy Price
($15.12/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

NexGard PLUS Chewables for Dogs, 66.1-132 lbs. (Red Box) 6 Chewable Tablets (6-mos. supply)

Rated 4.6 out of 5 stars
3,914
$242.49 Chewy Price
($40.42/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Milbeguard Flavored Tablets for Dogs, 26 - 50 lbs, & for Cats, 6.1 - 12 lbs (Purple Box), 11.5 ...

Rated 4.8 out of 5 stars
264
$30.99 Chewy Price
($5.17/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders over $35

Loading options...

Loading options...

Tri-Heart Plus Chewable Tablet for Dogs, up to 25 lbs, (Blue Box), 6 Chewable Tablets (6-mos. s...

Rated 4.8 out of 5 stars
3,797
$29.99 Chewy Price
($5.00/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders over $35

Loading options...

Loading options...

Sentinel Spectrum Chew for Dogs, 8.1-25 lbs, (Green Box), 6 Chews (6-mos. supply)

Rated 4.8 out of 5 stars
1,724
$56.99 Chewy Price
($9.50/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Interceptor Flavored Tablet for Dogs, 26-50 lbs, & Cats, 6.1-12 lbs, (Yellow Box), 6 Flavored T...

Rated 4.7 out of 5 stars
431
$67.99 Chewy Price
($11.34/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Tri-Heart Plus Chewable Tablet for Dogs, 51-100 lbs, (Brown Box), 6 Chewable Tablets (6-mos. su...

Rated 4.8 out of 5 stars
4,104
$52.99 Chewy Price
($8.84/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Simparica Trio Chewable Tablet for Dogs, 44.1-88 lbs, (Green Box), 6 Chewable Tablets (6-mos. s...

Rated 4.8 out of 5 stars
22,391
$234.77 Chewy Price
($39.13/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Iverhart Plus Chewable Tablet for Dogs, 1-25 lbs, (Blue Box), 6 Chewable Tablets (6-mos. supply...

Rated 4.8 out of 5 stars
702
$28.26 Chewy Price
($4.71/ea) Price per Unit
$30.18 List Price
Autoship Price
  • Prescription Item

Free delivery on first-time orders over $35

Loading options...

Loading options...

Credelio Quattro /Credelio Quattro-CA1 Chewable Tablets for Dogs, 50.1-100 lbs, 6 Chewables (6-m...

Rated 4.6 out of 5 stars
812
$241.50 Chewy Price
($40.25/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Interceptor Plus Chew for Dogs, 50.1-100 lbs, (Blue Box), 6 Chews (6-mos. supply)

Rated 4.8 out of 5 stars
6,852
$91.10 Chewy Price
($15.19/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Bundle: Heartgard Plus Chew for Dogs, 51-100 lbs, (Brown Box), 6 Chews (6-mos. supply) & NexGar...
Rated 4.4 out of 5 stars
129
$255.08 Chewy Price
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

NexGard PLUS Chewables for Dogs, 33.1-66 lbs. (Purple Box) 6 Chewable Tablets (6-mos. supply)

Rated 4.7 out of 5 stars
5,423
$235.59 Chewy Price
($39.27/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Milbeguard Flavored Tablets for Dogs, 51 - 100 lbs, & for Cats, 12.1 -25 lbs (Red Box), 23 mg, ...

Rated 4.7 out of 5 stars
366
$38.99 Chewy Price
($6.50/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Sentinel Flavor Tabs for Dogs, 11-25 lbs, (Green Box), 6 Tablets (6-mos. supply)

Rated 4.8 out of 5 stars
2,929
$53.99 Chewy Price
($9.00/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Sentinel Spectrum Chew for Dogs, 50.1-100 lbs, (Blue Box), 6 Chews (6-mos. supply)

Rated 4.8 out of 5 stars
1,708
$81.99 Chewy Price
($13.67/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Interceptor Flavored Tablet for Dogs, 51-100 lbs, & Cats, 12.1-25 lbs, (White Box), 6 Flavored ...

Rated 4.7 out of 5 stars
572
$78.49 Chewy Price
($13.09/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Iverhart Max Chew for Dogs, 50.1-100 lbs, (Brown Box), 6 Chews (6-mos. supply)

Rated 4.6 out of 5 stars
303
$66.90 Chewy Price
($11.15/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Simparica Trio Chewable Tablet for Dogs, 88.1-132.0 lbs, (Brown Box), 6 Chewable Tablets (6-mos...

Rated 4.8 out of 5 stars
5,047
$236.48 Chewy Price
($39.42/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Iverhart Plus Chewable Tablet for Dogs, 26-50 lbs, (Green Box), 6 Chewable Tablets (6-mos. supp...

Rated 4.8 out of 5 stars
347
$37.86 Chewy Price
($6.31/ea) Price per Unit
$40.43 List Price
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Credelio Quattro /Credelio Quattro-CA1 Chewable Tablets for Dogs, 6.1-12 lbs, 1 Chewable (1-mo. ...

Rated 4.7 out of 5 stars
343
$37.35 Chewy Price
($37.35/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Interceptor Plus Chew for Dogs, 8.1-25 lbs, (Green Box), 6 Chews (6-mos. supply)

Rated 4.8 out of 5 stars
5,240
$59.89 Chewy Price
($9.99/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Bundle and Save 17%

Bundle: Heartgard Plus Chew for Dogs, 51-100 lbs, (Brown Box), 1 Chew (1-mo. supply) & NexGard ...
Rated 4.7 out of 5 stars
19
$48.98 Chewy Price
$58.88 List Price
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

NexGard PLUS Chewables for Dogs, 8.1-17 lbs. (Green Box) 6 Chewable Tablets (6-mos. supply)

Rated 4.7 out of 5 stars
3,433
$214.19 Chewy Price
($35.70/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Milbeguard Flavored Tablets for Dogs, 11 -25 lbs, & for Cats, 1.5 - 6 lbs (Blue Box), 5.75 mg, ...

Rated 4.8 out of 5 stars
230
$27.99 Chewy Price
($4.67/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders over $35

Loading options...

Loading options...

Sentinel Flavor Tabs for Dogs, 26-50 lbs, (Yellow Box), 6 Tablets (6-mos. supply)

Rated 4.8 out of 5 stars
1,694
$63.99 Chewy Price
($10.67/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Trifexis Chewable Tablet for Dogs, 60.1-120 lbs, (Brown Box), 6 Chewable Tablets (6-mos. supply...

Rated 4.6 out of 5 stars
1,614
$177.49 Chewy Price
($29.59/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Interceptor Flavored Tablet for Dogs, 11-25 lbs, & Cats, 1.5-6 lbs, (Green Box), 6 Flavored Tab...

Rated 4.8 out of 5 stars
476
$56.49 Chewy Price
($9.42/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Revolution Topical Solution for Kittens & Puppies, under 5 lbs, (Mauve Box), 3 Doses (3-mos. su...

Rated 4.7 out of 5 stars
682
$76.30 Chewy Price
($25.44/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Loading options...

Loading options...

Simparica Trio Chewable Tablet for Dogs, 22.1-44.0 lbs, (Teal Box), 6 Chewable Tablets (6-mos. ...

Rated 4.8 out of 5 stars
11,890
$228.13 Chewy Price
($38.03/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Save 5% on repeat deliveries

Breed Size

Product Form

Brand

7 Brands are shown below

Price

Customer Rating