Heartworm Prevention & Dewormers for Dogs

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Rated 4.8 out of 5 stars
459
$78.49 Chewy Price
($13.09/ea) Price per Unit
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Free delivery on first-time orders

Rated 1 out of 5 stars
1
$23.75 Chewy Price
($5.94/ea) Price per Unit
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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Rated 4.8 out of 5 stars
252
$65.94 Chewy Price
($10.99/ea) Price per Unit
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Free delivery on first-time orders

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Rated 4.4 out of 5 stars
16
$15.28 Chewy Price
($15.28/ea) Price per Unit
$16.81 List Price
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  • Prescription Item

Free delivery on first-time orders over $35

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Rated 4.6 out of 5 stars
247
$41.13 Chewy Price
($41.13/ea) Price per Unit
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Rated 4.6 out of 5 stars
110
$9.11 Chewy Price
($9.11/ea) Price per Unit
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Free delivery on first-time orders over $35

Bundle and Save 7%

$403.97 Chewy Price
$435.87 List Price
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Rated 4.8 out of 5 stars
379
$138.59 Chewy Price
($23.10/ea) Price per Unit
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  • Prescription Item

Free delivery on first-time orders

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Rated 4.8 out of 5 stars
989
$100.33 Chewy Price
($33.45/ea) Price per Unit
$95.31 Autoship Price
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$41.91 Chewy Price
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Rated 4.8 out of 5 stars
678
$154.09 Chewy Price
($25.69/ea) Price per Unit
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Rated 4.8 out of 5 stars
204
$53.99 Chewy Price
($9.00/ea) Price per Unit
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  • Prescription Item

Free delivery on first-time orders

Rated 3.5 out of 5 stars
2
$34.45 Chewy Price
($17.23/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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Rated 4.7 out of 5 stars
111
$44.06 Chewy Price
($7.35/ea) Price per Unit
$45.29 List Price
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  • Prescription Item

Free delivery on first-time orders

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Rated 4.6 out of 5 stars
58
$51.94 Chewy Price
($17.32/ea) Price per Unit
$55.46 List Price
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Rated 4.7 out of 5 stars
123
$37.35 Chewy Price
($37.35/ea) Price per Unit
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  • Prescription Item

Free delivery on first-time orders

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Rated 4.7 out of 5 stars
398
$210.59 Chewy Price
($35.10/ea) Price per Unit
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  • Prescription Item

Free delivery on first-time orders

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Rated 4.6 out of 5 stars
69
$4.99 Chewy Price
($4.99/ea) Price per Unit
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  • Prescription Item

Free delivery on first-time orders over $35

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Rated 4.8 out of 5 stars
208
$141.79 Chewy Price
($23.64/ea) Price per Unit
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  • Prescription Item

Free delivery on first-time orders

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Rated 4.7 out of 5 stars
772
$105.73 Chewy Price
($35.25/ea) Price per Unit
$100.44 Autoship Price
  • Prescription Item

Free delivery on first-time orders

$215.97 Chewy Price
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  • Prescription Item

Free delivery on first-time orders

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Rated 4.7 out of 5 stars
154
$69.99 Chewy Price
($11.67/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Rated 3 out of 5 stars
2
$134.66 Chewy Price
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Rated 5 out of 5 stars
1
$123.67 Chewy Price
Autoship Price
  • Prescription Item

Free delivery on first-time orders

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Rated 4.6 out of 5 stars
9
$6.43 Chewy Price
($6.43/ea) Price per Unit
$6.74 List Price
Autoship Price
  • Prescription Item

Free delivery on first-time orders over $35

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Rated 4.8 out of 5 stars
79
$49.40 Chewy Price
($16.47/ea) Price per Unit
$52.75 List Price
Autoship Price
  • Prescription Item

Free delivery on first-time orders

Bundle and Save 5%
Rated 5 out of 5 stars
4
$107.11 Chewy Price
$112.75 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

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Rated 4.8 out of 5 stars
58
$44.06 Chewy Price
($7.35/ea) Price per Unit
$45.29 List Price
Autoship Price
  • Prescription Item

Free delivery on first-time orders

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Rated 4.6 out of 5 stars
47
$21.59 Chewy Price
($21.59/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders over $35

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Rated 4.7 out of 5 stars
564
$76.30 Chewy Price
($25.44/ea) Price per Unit
$72.48 Autoship Price
  • Prescription Item

Free delivery on first-time orders

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Rated 4.5 out of 5 stars
22
$36.81 Chewy Price
($36.81/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

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Rated 4.8 out of 5 stars
139
$65.94 Chewy Price
($10.99/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

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Rated 4.7 out of 5 stars
96
$69.99 Chewy Price
($11.67/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

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$47.46 Chewy Price
Autoship Price
  • Prescription Item

Free delivery on first-time orders

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Rated 4.7 out of 5 stars
282
$134.85 Chewy Price
($44.95/ea) Price per Unit
$128.11 Autoship Price
  • Prescription Item

Free delivery on first-time orders

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Rated 4.5 out of 5 stars
118
$23.03 Chewy Price
($23.03/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders over $35

*20% off your first Pharmacy order with code RX20 Terms

20% off promotion is valid on your first order of select Pharmacy medication items only. Maximum discount of $30. Must add at least one eligible item to cart and enter code at checkout. Exclusions apply: coupon is not valid on Activyl, Banamine, Bravecto, Incurin, Merck, Mometamax, Optimmune, Orbax, Otomax, Panacur, Posatex, Prestige, Regu-Mate, Safe-Guard, Salix, Schirmer, Sentinel and Sentinel Spectrum Brands, Tri-Heart Plus, Vetpen, Vetsulin, or Veterinary Diet products. Cannot be combined with other offers or promotions. Cannot be redeemed on past purchases. Offer expires 01/21/26. Subject to change without notice.