Heartworm Medicine For Large Dogs

Large Breeds
Large Breeds
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Rated 4.8 out of 5 stars
5,738
$91.10 Chewy Price
($15.19/ea) Price per Unit
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Rated 4.9 out of 5 stars
17,001
$90.69 Chewy Price
($15.12/ea) Price per Unit
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Free delivery on first-time orders

Rated 4.7 out of 5 stars
246
$38.99 Chewy Price
($6.50/ea) Price per Unit
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Rated 4.8 out of 5 stars
3,401
$49.99 Chewy Price
($8.34/ea) Price per Unit
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Rated 4.8 out of 5 stars
497
$49.10 Chewy Price
($8.19/ea) Price per Unit
$52.43 List Price
Autoship Price
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Rated 4.8 out of 5 stars
1,391
$77.99 Chewy Price
($13.00/ea) Price per Unit
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Rated 4.6 out of 5 stars
1,388
$177.49 Chewy Price
($29.59/ea) Price per Unit
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Rated 4.7 out of 5 stars
953
$106.88 Chewy Price
($35.63/ea) Price per Unit
$101.54 Autoship Price
  • Prescription Item

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Rated 4.8 out of 5 stars
698
$141.19 Chewy Price
($23.54/ea) Price per Unit
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Rated 4.8 out of 5 stars
3,864
$225.50 Chewy Price
($37.59/ea) Price per Unit
$214.22 Autoship Price
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Rated 4.8 out of 5 stars
1,954
$72.99 Chewy Price
($12.17/ea) Price per Unit
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Rated 4.8 out of 5 stars
458
$78.49 Chewy Price
($13.09/ea) Price per Unit
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  • Prescription Item

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Rated 4.7 out of 5 stars
140
$53.98 Chewy Price
($9.00/ea) Price per Unit
$55.49 List Price
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Rated 4.7 out of 5 stars
1,055
$174.59 Chewy Price
($29.10/ea) Price per Unit
Autoship Price
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Rated 4.8 out of 5 stars
207
$141.79 Chewy Price
($23.64/ea) Price per Unit
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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
Autoship Price
  • Prescription Item

Free delivery on first-time orders over $35

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Rated 4.7 out of 5 stars
153
$69.99 Chewy Price
($11.67/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
Autoship Price
  • Prescription Item

Free delivery on first-time orders over $35

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Rated 4.7 out of 5 stars
281
$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
175
$85.50 Chewy Price
($14.25/ea) Price per Unit
Autoship Price
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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 4.6 out of 5 stars
27
$11.99 Chewy Price
($11.99/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders over $35

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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

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Rated 4.6 out of 5 stars
29
$67.93 Chewy Price
($22.65/ea) Price per Unit
$72.54 List Price
Autoship Price
  • Prescription Item

Free delivery on first-time orders

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Rated 4.4 out of 5 stars
63
$112.59 Chewy Price
($18.77/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

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Rated 4.5 out of 5 stars
25
$54.99 Chewy Price
($9.17/ea) Price per Unit
Autoship Price
  • Prescription Item

Free delivery on first-time orders

*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.