Heartworms can have severe consequences on pet health if left unchecked and untreated. The good news is that heartworm disease is reasonably easy to prevent. We offer a variety of monthly heartworm medications and preventative products for both cats and dogs. Make sure you talk to your veterinarian about which option is best for your pet.
How prescriptions work
Interceptor Plus for Dogs 6ct

Interceptor Plus for Dogs 6ct

Starting at: $31.99

$35.54 Save: 10%

Interceptor Plus for Dogs 2-8 lb has product expiration date of 11/18 8-25 lb has product expiration date of 6/20 25-50 lb has product expiration date of 8/20 51-100 lb has product expiration date of 7/20 Interceptor Plus is a once-a-month flavored t ...Read more »

Made in the USA
All styles are in stock.
Revolution

Revolution

Starting at: $49.99

$55.54 Save: 10%

Prescription items are NON-RETURNABLE and NON REFUNDABLE THIS ITEM CAN ONLY BE SHIPPED VIA UPS GROUND! Revolution Canine Revolution provides broad spectrum protection against most internal and external parasites in dogs six weeks of age or older. It ...Read more »

Made in the USA
All styles are in stock.
Eligible for free e-certification with purchase Sentinel Flavor Tabs for Dogs

Sentinel Flavor Tabs for Dogs

Starting at: $7.59

$9.32 Save: 19%

SENTINEL(R) Flavor Tabs(R) (milbemycin oxime/lufenuron) 2-8 lb has a product expiration date of 7/18 8-25 lb has a product expiration date of 6/20 25-50 lb has a product expiration date of 8/20 50-100 lb has a product expiration date of 7/20 The pala ...Read more »

Made in the USA
All styles are in stock.
Heartgard Plus Chewables

Heartgard Plus Chewables

Starting at: $5.09

$5.66 Save: 10%

Prescription items are NON-RETURNABLE and NON REFUNDABLE HEARTGARD Plus Chewables for Canines HEARTGARD Plus for dogs is a beef-flavored soft chew administered once a month to protect your dog from the threat of potentially deadly heartworm disease, ...Read more »

Made in the USA
All styles are in stock.
Trifexis Chewable Tablets for Dogs

Trifexis Chewable Tablets for Dogs

Starting at: $17.49

$19.99 Save: 13%

Trifexis(R) Chewable Tablets for Dogs Trifexis is a monthly, chewable tablet for dogs that kills fleas, prevents heartworm disease, and treats and controls adult hookworm, roundworm, and whipworm infections. Trifexis combines two trusted active ingre ...Read more »

Made in the USA
All styles are in stock.
Interceptor 6 Month

Interceptor 6 Month

Starting at: $32.89

$36.54 Save: 10%

Interceptor(R) Flavor Tabs(R) For Dogs and Cats (Rx) (milbemycin oxime) An ideal choice of medication for preventing heartworm disease, Interceptor Heartworm for Dogs and Cats can also control hookworm infection. These flavored tablets also help in r ...Read more »

Made in the USA
Some styles are in stock.
Eligible for free e-certification with purchase Iverhart Plus Dog

Iverhart Plus Dog

Starting at: $4.59

$5.10 Save: 10%

Iverhart Plus(R) Chewable Tablets Iverhart Plus prevents heartworm disease and also controls roundworms and hookworms in dogs in a once-a-month, liver-flavored chewable tablet. Dogs should be tested for heartworm disease prior to being put on a preve ...Read more »

Made in the USA
All styles are in stock.
Revolution for Puppies and Kittens 3 Count

Revolution for Puppies and Kittens 3 Count

$42.99

$47.77 Save: 10%

Prescription items are NON-RETURNABLE and NON REFUNDABLE THIS ITEM CAN ONLY BE SHIPPED VIA UPS GROUND! Revolution for Puppies and Kittens Revolution provides broad spectrum protection against most internal and external parasites in puppies and kitten ...Read more »

Made in the USA
In Stock.
Heartgard Chewables for Cats - 6 ct

Heartgard Chewables for Cats - 6 ct

Starting at: $29.99

$37.19 Save: 19%

Prescription items are NON-RETURNABLE and NON REFUNDABLE Heartgard Chewables Feline Heartgard is a once-a-month chewable that can protect your cat from the threat of potentially deadly heartworm disease. In a tasty flavor that cats love, Heartgard Ch ...Read more »

All styles are in stock.
Iverhart Max Soft Chews

Iverhart Max Soft Chews

Starting at: $24.99

$33.32 Save: 25%

Prescription items are NON-RETURNABLE and NON REFUNDABLE Iverhart Max Soft Chews Iverhart Max prevents heartworm disease and treats and controls roundworm, hookworm, and tapeworm infections in dogs in a once-a-month liver-flavored soft chews. Dogs si ...Read more »

Made in the USA
All styles are in stock.
Eligible for free e-certification with purchase Sentinel Spectrum Chews

Sentinel Spectrum Chews

Starting at: $8.79

$9.77 Save: 10%

Sentinel Spectrum Chewables Sentinel Spectrum is a once-a-month chewable tablet that contains a combination of milbeycin oxime, praziquantel, and lufenuron to prevent and control fleas, heartworm and intestinal worms in dogs. Milbemycin oxime interfe ...Read more »

Made in the USA
All styles are in stock.
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