Dewormers & Parasite Care

(74 results)
Simparica Trio Chewable Tablets for Dogs - 44.1-88 lbs, Green Box, 1 or 6 Month Supply
2 sizes
(51)
$44.63 - $223.81
Sign In & Enjoy Free Shipping Over $49
Simparica Trio Chewable Tablets for Dogs - 22.1-44 lbs, Blue Box, 1 or 6 Month Supply
2 sizes
(22)
$43.49 - $217.48
Sign In & Enjoy Free Shipping Over $49
Simparica Trio Chewable Tablets for Dogs - 11.1-22 lbs, Caramel Box, 1 or 6 Month Supply
2 sizes
(20)
$40.05 - $200.31
Sign In & Enjoy Free Shipping Over $49
Simparica Trio Chewable Tablets for Dogs - 88.1-132 lbs, Brown Box, 1 or 6 Month Supply
2 sizes
(5)
$45.20 - $225.50
Sign In & Enjoy Free Shipping Over $49
Heartgard Plus Chewables For Dogs 51-100 lbs Brown
3 sizes
(18)
$19.59 - $163.09
Sign In & Enjoy Free Shipping Over $49
NexGard Plus Chewable Tablets for Dogs 33.1-66 lbs (Purple Box) - 1, 3, or 6 Tablets
3 sizes
(15)
$47.79 - $235.59
Sign In & Enjoy Free Shipping Over $49
NexGard Plus Chewable Tablets for Dogs 66.1-132 lbs (Red Box) - 1, 3, or 6 Tablets
3 sizes
(14)
$48.99 - $244.99
Sign In & Enjoy Free Shipping Over $49
Simparica Trio Chewable Tablets for Dogs - 5.6-11 lbs, Purple Box, 1 or 6 Month Supply
2 sizes
(8)
$39.47 - $198.05
Sign In & Enjoy Free Shipping Over $49
Heartgard Plus Chewables For Dogs 1-25 lbs Blue
3 sizes
(15)
$12.79 - $109.99
Sign In & Enjoy Free Shipping Over $49
NexGard Plus Chewable Tablets for Dogs 17.1-33 lbs (Gold Box) - 1, 3, or 6 Tablets
3 sizes
(13)
$46.49 - $229.99
Sign In & Enjoy Free Shipping Over $49
NexGard Plus Chewable Tablets for Dogs 8.1-17 lbs (Green Box) - 1, 3, or 6 Tablets
3 sizes
(13)
$45.09 - $214.99
Sign In & Enjoy Free Shipping Over $49
Heartgard Plus Chewables For Dogs 26-50 lbs Green
3 sizes
(14)
$16.19 - $135.69
Sign In & Enjoy Free Shipping Over $49
Interceptor Plus Dog Chew 50.1-100lbs (Blue), Prevent Heartworm & Treat 4 Other Worms, 1, 6, 12 Mo
3 sizes
(24)
$15.99 - $171.35
Sign In & Enjoy Free Shipping Over $49
NexGard Plus Chewable Tablets for Dogs 4-8 lbs (Orange Box) - 1, 3, or 6 Tablets
3 sizes
(11)
$44.29 - $210.59
Sign In & Enjoy Free Shipping Over $49
Revolution Topical for Dogs 40.1-85 Teal - 3 Month or 6 Month Supply
2 sizes
(2)
$109.99 - $194.99
Sign In & Enjoy Free Shipping Over $49
Revolution Topical for Dogs 10.1-20 Brown - 3 Month or 6 Month Supply
2 sizes
(4)
$103.93 - $184.99
Sign In & Enjoy Free Shipping Over $49
Iverhart Plus 51-100 lbs Supply Brown, 6 Month Supply
(1)
$49.10
Sign In & Enjoy Free Shipping Over $49
Advantage Multi Dog 6-in-1 Heartworm Prevention - Kills Fleas - Dogs 9.1-20 lbs. - 6-Month Supply
2 sizes
(5)
$21.42 - $139.19
Sign In & Enjoy Free Shipping Over $49
Revolution Topical for Dogs 20.1-40 Red  - 3 Month or 6 Month Supply
2 sizes
(1)
$105.73 - $194.99
Sign In & Enjoy Free Shipping Over $49
Simparica Trio Chewable Tablets for Dogs - 2.8-5.5 lbs, Gold Box, 1 or 6 Month Supply
2 sizes
(1)
$38.90 - $194.99
Sign In & Enjoy Free Shipping Over $49
Advantage Multi for Dogs 3-9 lbs (Green), Flea & Heartworm Treatment, 1 & 6 Month Supply
2 sizes
(5)
$21.31 - $138.59
Sign In & Enjoy Free Shipping Over $49
Revolution Topical for Dogs 5.1-10 Purple - 3 Month or 6 Month Supply
2 sizes
(0)
$100.33 - $179.99
Sign In & Enjoy Free Shipping Over $49
  1. 1
  2. 2
The Pharmacy at PetSmart carries medications you need for your dog’s worms and parasites. Whether you need worms medication or parasite medication for dogs, we have you covered. At PetSmart, we know that your top priority is helping your dog and following your vet’s treatment plan. 
Remember, don’t give your dog medication without first seeking advice from your vet. 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 dewormer medication from The Pharmacy at PetSmart. Need to find a vet? We have you covered.
Not looking for dewormers and parasite care for your dog? The Pharmacy at PetSmart carries a wide selection of many different medications, including: