Heartworm

(27 results)
Revolution Plus for Cats 11.1-22 lbs Green - 3 or 6 Month Supply
2 sizes
(20)
$97.38 - $170.34
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Revolution Plus for Cats 5.6-11 lbs Orange - 3 or 6 Month Supply
2 sizes
(14)
$91.74 - $165.24
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
NexGard COMBO Topical Solution for Cats - 5.6-16.5 lbs, Yellow Box
3 sizes
(4)
$38.69 - $182.69
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Bravecto Plus Topical Solution for Cats, 6.2-13.8 lb (Blue), 1 Dose,  2-Month Supply
(0)
$55.99
5X points (10% back in savings) on ALL cat products
Sign In & Enjoy Free Shipping Over $49
Advantage Multi Cat 5-in-1 Heartworm Prevention - Kills Fleas - Cats 9.1-18 lbs. - 6-Month Supply
2 sizes
(1)
$19.97 - $129.79
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Revolution Topical for Cats 5.1-15 lbs Blue
3 sizes
(2)
$114.97 - $416.22
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Senergy (selamectin) Topical for Cats 5.1 - 15 lbs, 3 doses
(1)
$49.34
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Selarid (selamectin) Topical for Cats 5.1-15 lbs, Blue (6 Month Supply)
(0)
$71.91
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Interceptor for Dogs and Cats - 51-100 lbs Dogs / 12.1-25 lbs Cats - 6-Month Supply
(2)
$78.49
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
NexGard COMBO Topical Solution for Cats - 1.8-5.5 lbs, Purple Box
3 sizes
(1)
$31.39 - $157.69
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Senergy (selamectin) Topical for Cats 15.1 - 22 lbs, 3 doses
(0)
$50.59
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Senergy (selamectin) Topical for Kittens and Puppies Up to 5 lbs, 3 doses
(0)
$42.83
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Bravecto Plus Topical Solution for Cats, 13.8-27.5 lb (Purple), 1 Dose,  2-Month Supply
(0)
$55.99
5X points (10% back in savings) on ALL cat products
Sign In & Enjoy Free Shipping Over $49
Bravecto Plus Topical Solution for Cats, 2.6-6.2 lb (Green), 1 Dose, 2-Month Supply
(2)
$54.99
5X points (10% back in savings) on ALL cat products
Sign In & Enjoy Free Shipping Over $49
Selarid (selamectin) Topical for Cats 15.1-22 lbs, Taupe (6 Month Supply)
(0)
$73.49
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Selarid (selamectin) Topical for Kittens/Puppies Up to 5 lbs, Mauve (3 Month Supply)
(0)
$32.49
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
MilbeGuard Flavored Tablets for Dogs and Cats, 6 Month Supply Dogs 51-100 lbs / Cats 12.1-25 lbs Red
(4)
$44.89
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
MilbeGuard Flavored Tablets for Dogs and Cats, 6 Month Supply Dogs 26-50 lbs/ Cats 6.1-12 lbs Purple
(0)
$36.49
$36.69
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
MilbeGuard Flavored Tablets for Dogs and Cats, 6 Month Supply Dogs 11-25 lbs / Cats 1.5-6 lbs Blue
(0)
$32.29
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
MilbeGuard Flavored Tablets for Dogs, 6 Month Supply Dogs 2-10 lbs Yellow
(0)
$31.09
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Advantage Multi Cat 5-in-1 Heartworm Prevention - Kills Fleas - Cats 5.1-9 lbs. - 6-Month Supply
2 sizes
(2)
$19.78 - $128.59
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Revolution Topical for Cats 15.1-22 lbs Taupe
3 sizes
(1)
$124.00 - $427.08
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Revolution Plus for Cats 2.8-5.5 lbs Gold - 3 or 6 Month Supply
2 sizes
(0)
$75.18 - $145.25
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Advantage Multi for Cats 2-5 lbs (Turquoise), Flea Treatment & Heartworm Prevention, 3 Month Supply
(1)
$80.49
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Revolution Topical for Puppies and Kittens up to 5 lbs Pink - 3 Month Supply
(0)
$76.30
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Interceptor for Dogs and Cats - 26-50 lbs Dogs / 6.1-12 lbs Cats - 6-Month Supply
(0)
$67.99
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
Interceptor for Dogs and Cats - 11-25 lbs Dogs / 1.5-6 lbs Cats - 6-Month Supply
(0)
$56.49
Buy 1, get the 2nd 25% OFF off dog and cat Flea & Tick products including prescriptions
5X points (10% back in savings) on ALL cat products
+ 2 more
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Looking for heartworm prevention medication for cats? The Pharmacy at PetSmart is the place to find heartworm prevention medication. Stop by the Pharmacy at PetSmart for all your pet medication needs today.
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 feline heartworm prevention medication from The Pharmacy at PetSmart. Need to find a vet? We have you covered.
Aside from heartworm prevention medication for cats, does your pet have another issue that requires medicine? The Pharmacy at PetSmart can fill your prescription for a variety of medicines, like:
While you’re in your local PetSmart store, take a look at our other cat supplies, such as cat treatstoyscat bedscollars, harnesses and leashes, and more.