Heartworm

(184 results)
Royal Canin® Breed Health Nutrition® Golden Retriever Breed Specific Adult Dog Dry Food - 30 lb
(641)
$99.99
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Royal Canin® Feline Health Nutrition Indoor Adult Dry Cat Food
3 sizes
(1960)
$23.99 - $67.99
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Royal Canin Size Health Nutrition X-Small Adult Dry Dog Food
(1010)
$59.99
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Royal Canin® Breed Health Nutrition® Labrador Retriever Breed Specific Adult Dog Dry Food - 30 lb
(930)
$99.99
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Royal Canin® Breed Health Nutrition® German Shepherd Breed Specific Adult Dog Dry Food
2 sizes
(988)
$79.99 - $99.99
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Royal Canin Size Health Nutrition Medium Breed Adult Dry Dog Food
3 sizes 1 flavor
(670)
$61.99 - $109.99
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Royal Canin® Breed Health Nutrition® Yorkshire Terrier Breed Specific Adult Dog Dry Food
2 sizes 1 flavor
(1376)
$24.99 - $61.99
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Royal Canin® Breed Health Nutrition® Shih Tzu Breed Specific Adult Dog Dry Food
2 sizes
(950)
$24.99 - $61.99
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Royal Canin® Breed Health Nutrition® Poodle Breed Specific Adult Dog Dry Food
(475)
$61.99
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Royal Canin® Feline Health Nutrition Adult Instinctive Wet Cat Food - Thin Slices in Gravy, 3oz
(393)
$2.19
$2.29
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Royal Canin Canine Health Nutrition Adult Dog Wet Food - 13.5 oz
(322)
$3.89
$4.09
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Royal Canin® Feline Health Nutrition Instinctive Adult Loaf in Sauce Wet Cat Food - 3 Oz
(304)
$2.19
$2.29
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Royal Canin® Feline Health Nutrition Indoor Adult Wet Cat Food - 3 oz
(86)
$2.19
$2.29
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Royal Canin Size Health Nutrition Large Breed Adult Dry Dog Food
3 sizes
(406)
$61.99 - $109.99
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Royal Canin® Breed Health Nutrition® Bulldog Breed Specific Adult Dog Dry Food
2 sizes 1 flavor
(736)
$79.99 - $99.99
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Royal Canin® Feline Care Nutrition Urinary Care Adult Dry Cat Food
2 sizes 1 flavor
(1480)
$28.99 - $79.99
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Royal Canin® Weight Care Adult Dry Cat Food
3 sizes 1 flavor
(630)
$28.99 - $79.99
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Royal Canin® Breed Health Nutrition® French Bulldog Adult Dog Dry Food
2 sizes
(700)
$79.99 - $99.99
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Royal Canin Size Health Nutrition Large Breed Aging 8+ Senior Dog Dry Food - 30 lb
(149)
$109.99
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Royal Canin® Breed Health Nutrition® Dachshund Breed Specific Adult Dog Dry Food
(509)
$61.99
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Royal Canin® Breed Health Nutrition® Miniature Schnauzer Breed Specific Adult Dog Dry Food - 10 lb
(494)
$61.99
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Royal Canin® Breed Health Nutrition® Boxer Breed Specific Adult Dog Dry Food
2 sizes
(443)
$79.99 - $99.99
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Royal Canin® Feline Health Nutrition Kitten Dry Cat Food
4 sizes 1 flavor
(1994)
$25.99 - $73.99
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Royal Canin Size Health Nutrition Giant Breed Adult Dog Dry Food - 30 lb
(148)
$99.99
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Royal Canin Size Health Nutrition Large Breed Puppy Dog Dry Food
2 sizes 1 flavor
(499)
$73.99 - $109.99
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Royal Canin® Breed Health Nutrition® Chihuahua Breed Specific Adult Dog Dry Food
2 sizes
(1073)
$24.99 - $61.99
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Royal Canin® Feline Care Nutrition Indoor Hairball Care Adult Dry Cat Food
(396)
$79.99
$83.99
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Royal Canin® Breed Health Nutrition Rottweiler Breed Specific Adult Dog Dry Food - 30 lb
(107)
$99.99
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Royal Canin® Canine Care Nutrition Digestive Care Large Breed Adult Dog Dry Food - 30 lb
(91)
$109.99
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Royal Canin Size Health Nutrition Small Breed Adult Dry Dog Food
2 sizes 1 flavor
(1126)
$19.99 - $99.99
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Royal Canin® Feline Health Nutrition Digestive Care Dry Cat Food
2 sizes 1 flavor
(729)
$28.99 - $42.99
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Royal Canin Size Health Nutrition Small Breed Puppy Dog Dry Food
3 sizes 1 flavor
(1412)
$23.99 - $109.99
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Royal Canin Multi Function Urinary + Hydrolyzed Protein Adult Dry Dog Food
(93)
$112.99
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Royal Canin® Canine Care Nutrition Weight Care Large Breed Adult Dog Dry Food - 30 lb
(73)
$109.99
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Royal Canin Size Health Nutrition Medium Breed Puppy Dog Dry Food
2 sizes
(629)
$31.99 - $109.99
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Royal Canin® Breed Health Nutrition® Golden Retriever Breed Specific Puppy Dog Dry Food - 30 lb
(348)
$104.99
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Royal Canin® Breed Health Nutrition® Pug Breed Specific Adult Dog Dry Food - 10 lb
(277)
$61.99
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Royal Canin Size Health Nutrition Giant Breed Junior Puppy Dog Dry Food - 30 lb
(164)
$109.99
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Royal Canin® Feline Health Nutrition Sensitive Digestion Adult Dry Cat Food
2 sizes 1 flavor
(733)
$36.99 - $67.99
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Royal Canin® Feline Breed Nutrition Maine Coon Adult Dry Cat Food
(448)
$45.99
$48.99
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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.