Heartworm

(27 results)
Revolution Plus for Cats 11.1-22 lbs Green - 3 or 6 Month Supply
2 sizes
(20)
$97.38 - $170.34
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Revolution Plus for Cats 5.6-11 lbs Orange - 3 or 6 Month Supply
2 sizes
(14)
$91.74 - $165.24
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
NexGard COMBO Topical Solution for Cats - 5.6-16.5 lbs, Yellow Box
3 sizes
(4)
$38.69 - $182.69
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Bravecto Plus Topical Solution for Cats, 6.2-13.8 lb (Blue), 1 Dose,  2-Month Supply
(0)
$55.99
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 1 more
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
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Revolution Topical for Cats 5.1-15 lbs Blue
3 sizes
(2)
$114.97 - $416.22
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Senergy (selamectin) Topical for Cats 5.1 - 15 lbs, 3 doses
(1)
$49.34
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Selarid (selamectin) Topical for Cats 5.1-15 lbs, Blue (6 Month Supply)
(0)
$71.91
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 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
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
Save 35% On Your First Autoship Order!
+ 1 more
NexGard COMBO Topical Solution for Cats - 1.8-5.5 lbs, Purple Box
3 sizes
(1)
$31.39 - $157.69
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Senergy (selamectin) Topical for Cats 15.1 - 22 lbs, 3 doses
(0)
$50.59
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Senergy (selamectin) Topical for Kittens and Puppies Up to 5 lbs, 3 doses
(0)
$42.83
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Bravecto Plus Topical Solution for Cats, 13.8-27.5 lb (Purple), 1 Dose,  2-Month Supply
(0)
$55.99
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 1 more
Bravecto Plus Topical Solution for Cats, 2.6-6.2 lb (Green), 1 Dose, 2-Month Supply
(2)
$54.99
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 1 more
Selarid (selamectin) Topical for Cats 15.1-22 lbs, Taupe (6 Month Supply)
(0)
$73.49
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Selarid (selamectin) Topical for Kittens/Puppies Up to 5 lbs, Mauve (3 Month Supply)
(0)
$32.49
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
MilbeGuard Flavored Tablets for Dogs and Cats, 6 Month Supply Dogs 26-50 lbs/ Cats 6.1-12 lbs Purple
(0)
$36.69
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
Save 35% On Your First Autoship Order!
+ 1 more
MilbeGuard Flavored Tablets for Dogs and Cats, 6 Month Supply Dogs 11-25 lbs / Cats 1.5-6 lbs Blue
(0)
$32.29
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
Save 35% On Your First Autoship Order!
+ 1 more
MilbeGuard Flavored Tablets for Dogs, 6 Month Supply Dogs 2-10 lbs Yellow
(0)
$31.09
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
Save 35% On Your First Autoship Order!
+ 1 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
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Revolution Topical for Cats 15.1-22 lbs Taupe
3 sizes
(1)
$124.00 - $427.08
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Revolution Plus for Cats 2.8-5.5 lbs Gold - 3 or 6 Month Supply
2 sizes
(0)
$75.18 - $145.25
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Advantage Multi for Cats 2-5 lbs (Turquoise), Flea Treatment & Heartworm Prevention, 3 Month Supply
(1)
$80.49
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Revolution Topical for Puppies and Kittens up to 5 lbs Pink - 3 Month Supply
(0)
$76.30
Points boost! Earn 25X points (50% back in savings) on ALL flea & tick products including pharmacy. One-time use only.
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
+ 2 more
Interceptor for Dogs and Cats - 51-100 lbs Dogs / 12.1-25 lbs Cats - 6-Month Supply
(2)
$78.49
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
Save 35% On Your First Autoship Order!
+ 1 more
Interceptor for Dogs and Cats - 26-50 lbs Dogs / 6.1-12 lbs Cats - 6-Month Supply
(0)
$67.99
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
Save 35% On Your First Autoship Order!
+ 1 more
Interceptor for Dogs and Cats - 11-25 lbs Dogs / 1.5-6 lbs Cats - 6-Month Supply
(0)
$56.49
Earn 5,000 pts ($10 back in savings) when you spend $50 on merch, services, and donations purchased in-store or online.
Save 35% On Your First Autoship Order!
+ 1 more
  1. 1
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.