Heartworm

(31 results)
Simparica Trio Chewable Tablets for Dogs - 44.1-88 lbs, Green Box
2 sizes
(41)
$42.19 - $211.19
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Simparica Trio Chewable Tablets for Dogs - 11.1-22 lbs, Caramel Box
(15)
$188.99
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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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Heartgard Plus Chewables For Dogs 26-50 lbs Green
3 sizes
(12)
$14.39 - $123.89
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NexGard Plus Chewable Tablets for Dogs - 66.1-132 lbs, Red Box
3 sizes
(3)
$47.59 - $230.99
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Interceptor Plus Chewable Tablets for Dogs - 50.1 - 100 lbs, Blue Box
3 sizes
(16)
$13.99 - $148.79
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Trifexis Chewable Tablets for Dogs 10.1-20 lbs Orange
2 sizes
(5)
$24.50 - $146.98
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Simparica Trio Chewable Tablets for Dogs - 11.1-22 lbs, Caramel Box
(1)
$37.78
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Tri-Heart Plus Chewable Tablets for Dogs 51-100 lbs Brown
(3)
$49.99
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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
(0)
$12.59
$15.09
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Bravecto Topical Solution for Dogs
(1)
$64.99 - $67.99
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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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Tri-Heart Plus Chewable Tablets for Dogs 26-50 lbs Green
(3)
$36.99
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Advantage Multi Topical for Dogs 3-9 lbs Green
2 sizes
(5)
$21.39 - $127.89
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Credelio Quattro Chewable Tablets for Dogs - 3.3-6 lbs, Yellow Box
2 sizes
(0)
$32.49 - $184.49
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Interceptor Plus Chewable Tablets for Dogs - 8.1-25 lbs, Green Box
(0)
$11.49
$13.69
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Senergy (selamectin) Topical for Dogs 40.1 - 85 lbs, 3 doses
(0)
$51.99
$52.99
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Senergy (selamectin) Topical for Dogs 10.1 - 20 lbs, 3 doses
(0)
$49.49
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Selarid (selamectin) Topical for Dogs 10.1-20 lbs  Brown, 6 Month Supply
(0)
$71.99
$92.59
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Selarid (selamectin) Topical for Dogs 5.1-10 lbs Purple, 6 Month Supply
(0)
$69.89
$89.89
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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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MilbeGuard Flavored Tablets for Dogs and Cats, 6 Month Supply Dogs 26-50 lbs / Cats 6.1-12 lbs Purpl
(0)
$33.99
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Iverhart Max Soft Chews 25.1-50 lbs Green - 6 or 12 Month Supply
(0)
$53.99
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Iverhart Plus 1-25 lbs Blue - 1, 3, 6 Month Supply
(0)
$28.29
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Advantage Multi Topical for Dogs 88.1-110 lbs Brown
2 sizes
(5)
$21.89 - $130.99
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Revolution Topical for Puppies and Kittens up to 5 lbs Pink - 3 Month or 6 Month Supply
(0)
$71.39
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Interceptor for Dogs and Cats 51-100 lbs Dogs / 12.1-25 lbs Cats White - 6 Month or 12 Month Supply
(1)
$74.49
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Interceptor for Dogs and Cats 11-25 lbs Dogs / 1.5-6 lbs Cats Green - 6 Month or 12 Month Supply
(0)
$53.58
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Sentinel Flavor Tabs for Dogs 2-10 lbs Brown
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$48.99
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  1. 1
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.