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Heartworm Preventives
Heartworm preventives are used in dogs and cats to prevent heartworm disease. Some contain ingredients to treat or prevent other parasitic infections.

Visit our How To Order Prescriptions page to learn how to get a prescription on file with us and how to order the prescription medications your pet needs.
These items all qualify for Free Ground Shipping

Articles About Heartworm Preventives
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11 results 
Heartgard <sup>®</sup> Plus Chewables (Brand) <em>by Merial</em>
Heartgard ® Plus Chewables (Brand) by Merial
As low as $4.02
Tri-Heart <sup>®</sup> Plus <em>by Schering-Plough</em>
Tri-Heart ® Plus by Schering-Plough
As low as $2.54
Heartgard <sup>®</sup> Tablets (Brand) <em>by Merial</em>
Heartgard ® Tablets (Brand) by Merial
As low as $4.26
Heartgard <sup>®</sup> Chewables for Dogs (Brand) <em>by Merial</em>
Heartgard ® Chewables for Dogs (Brand) by Merial
As low as $4.26
Heartgard <sup>®</sup> Chewables for Cats (Brand) <em>by Merial</em>
Heartgard ® Chewables for Cats (Brand) by Merial
As low as $5.50
Sentinel <sup>®</sup> Tablets for Dogs (Brand)<br/><em>by Novartis</em>
Sentinel ® Tablets for Dogs (Brand)
by Novartis
As low as $9.82
Interceptor <sup>®</sup> Flavor Tabs (Brand)<br/><em>by Novartis</em>
Interceptor ® Flavor Tabs (Brand)
by Novartis
As low as $4.15
Revolution<sup>®</sup> (Brand)<br/> <em>by Pfizer</em>
Revolution® (Brand)
by Pfizer
As low as $37.99
Advantage Multi™ (Brand) for Cats<br/> <em>by Bayer</em>
Advantage Multi™ (Brand) for Cats
by Bayer
As low as $33.99
Advantage Multi™ Heartworm, Flea Topical for Dogs<br/> <em>by Bayer </em>
Advantage Multi™ Heartworm, Flea Topical for Dogs
by Bayer
As low as $66.99
Iverhart Max<sup>®</sup> (Brand)
Iverhart Max® (Brand)
As low as $3.10
  
11 results 
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