Heartworm

(74 results)
Simparica Trio Chewable Tablets for Dogs - 44.1-88 lbs, Green Box
2 sizes
(42)
$42.19 - $211.19
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Simparica Trio Chewable Tablets for Dogs - 22.1-44 lbs, Blue Box
2 sizes
(17)
$41.09 - $205.19
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Simparica Trio Chewable Tablets for Dogs - 11.1-22 lbs, Caramel Box
(16)
$188.99
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Simparica Trio Chewable Tablets for Dogs - 88.1-132 lbs, Brown Box
2 sizes
(5)
$42.69 - $212.79
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Simparica Trio Chewable Tablets for Dogs - 5.6-11 lbs, Purple Box
2 sizes
(6)
$37.29 - $186.89
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Heartgard Plus Chewables For Dogs 51-100 lbs Brown
3 sizes
(16)
$16.29 - $145.89
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NexGard Plus Chewable Tablets for Dogs - 33.1-66 lbs, Purple Box
3 sizes
(3)
$46.39 - $224.39
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NexGard Plus Chewable Tablets for Dogs - 66.1-132 lbs, Red Box
3 sizes
(4)
$47.59 - $230.99
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Heartgard Plus Chewables For Dogs 1-25 lbs Blue
3 sizes
(13)
$12.79 - $99.99
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NexGard Plus Chewable Tablets for Dogs - 17.1-33 lbs, Gold Box
3 sizes
(5)
$45.19 - $217.49
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Heartgard Plus Chewables For Dogs 26-50 lbs Green
3 sizes
(12)
$14.39 - $123.89
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Trifexis Chewable Tablets for Dogs 60.1-120 lbs Brown
2 sizes
(4)
$26.99 - $164.99
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NexGard Plus Chewable Tablets for Dogs - 8.1-17 lbs, Green Box
3 sizes
(1)
$43.79 - $203.99
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Trifexis Chewable Tablets for Dogs 10.1-20 lbs Orange
2 sizes
(5)
$24.50 - $146.99
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Interceptor Plus Chewable Tablets for Dogs - 50.1 - 100 lbs, Blue Box
3 sizes
(17)
$13.99 - $149.99
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Trifexis Chewable Tablets for Dogs 20.1-40 lbs Green
2 sizes
(1)
$25.99 - $150.99
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Credelio Quattro Chewable Tablets for Dogs - 50.1-100 lbs, Blue Box
2 sizes
(0)
$36.99 - $213.99
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Trifexis Chewable Tablets for Dogs 40.1-60 lbs Blue
2 sizes
(7)
$26.99 - $158.99
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Credelio Quattro Chewable Tablets for Dogs - 25.1-50 lbs, Green Box
2 sizes
(0)
$35.99 - $206.29
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Simparica Trio Chewable Tablets for Dogs - 11.1-22 lbs, Caramel Box
(2)
$37.99
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Tri-Heart Plus Chewable Tablets for Dogs 51-100 lbs Brown
(3)
$49.99
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Advantage Multi Topical for Dogs 55.1-88 lbs Blue
2 sizes
(1)
$21.79 - $130.39
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Revolution Topical for Dogs 10.1-20 Brown - 3 Month or 6 Month Supply
2 sizes
(3)
$94.49 - $166.39
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Sentinel Flavor Tabs for Dogs 51-100 lbs White
(1)
$72.99
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Credelio Quattro Chewable Tablets for Dogs - 12.1-25 lbs, Orange Box
2 sizes
(0)
$33.49 - $190.49
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Simparica Trio Chewable Tablets for Dogs - 2.8-5.5 lbs, Gold Box
2 sizes
(1)
$36.79 - $183.09
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Interceptor Plus Chewable Tablets for Dogs - 25.1-50 lbs, Yellow Box
3 sizes
(1)
$12.59 - $124.99
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+ 1 more
Interceptor Plus Chewable Tablets for Dogs - 8.1-25 lbs, Green Box
3 sizes
(0)
$11.49 - $98.99
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+ 1 more
Advantage Multi Topical for Dogs 20.1-55 lbs Red
2 sizes
(1)
$21.69 - $129.79
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Advantage Multi Topical for Dogs 9.1-20 lbs Teal
2 sizes
(5)
$21.49 - $128.49
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Revolution Topical for Dogs 40.1-85 Teal - 3 Month or 6 Month Supply
2 sizes
(1)
$97.19 - $175.49
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Revolution Topical for Dogs 20.1-40 Red  - 3 Month or 6 Month Supply
2 sizes
(1)
$96.19 - $175.49
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Revolution Topical for Dogs 5.1-10 Purple - 3 Month or 6 Month Supply
2 sizes
(0)
$91.29 - $161.99
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Sentinel Flavor Tabs for Dogs 26-50 lbs Yellow
(0)
$60.99
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Credelio Quattro Chewable Tablets for Dogs - 6.1-12 lbs, Pink Box
2 sizes
(0)
$32.99 - $187.99
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NexGard Plus Chewable Tablets for Dogs - 4-8 lbs, Orange Box
2 sizes
(0)
$104.99 - $200.59
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Selarid (selamectin) Topical for Dogs 40.1-85 lbs Teal, 6 Month Supply
(0)
$73.49
$94.49
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Trifexis Chewable Tablets for Dogs 5-10 lbs Pink
2 sizes
(1)
$23.99 - $139.99
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Tri-Heart Plus Chewable Tablets for Dogs 26-50 lbs Green
(3)
$36.99
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Heartworm Disease can be a serious illness for dogs if left untreated. If you suspect your dog may have heartworm disease, make an appointment with your vet as soon as possible. After a visit to the vet has revealed that your dog has, in fact, contracted heartworm disease, your vet may write a prescription for heartworm medications for dogs. The Pharmacy at PetSmart is your go-to for filling prescriptions and carrying out veterinarian treatment plans. 
Pet parents on the search for heartworm medication should consult a vet before implementing any sort of new medication into their pet’s medical regimen. 
PetSmart customers can place prescription orders through The Pharmacy website, as long as they are active prescriptions that have been prescribed by a vet in the last 12 months.
Prescriptions from a licensed veterinarian are required to purchase Heartworm Medication from The Pharmacy at PetSmart. Need to find a vet? We have you covered.
Does your dog have more than one medical concern? The Pharmacy carries many medications other than heartworm medications for dogs, like:  
While you’re here, stock up on all the products your dog needs to live their best life, with PetSmart’s dog supplies. We have a wide variety of dog foodfood and water bowlscollarsleashes and harnesses, and dog treats to keep your dog’s tail wagging.