Help | About | Toll-Free 1.888.809.0750
We ship to
Thank you for registering
All the Latest Deals, News and More:
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
Heartgard Plus Chewables

Heartgard Plus Chewables

Starting at: $5.09

$5.66 Save: 10%

HEARTGARD Plus Chewables for Canines HEARTGARD Plus for dogs is a chewable, beef-flavored tablet administered once a month to protect your dog from the threat of potentially deadly heartworm disease, plus control against roundworms and hookworms. Dog ...Read more »

Made in the USA
All styles are in stock.
Tri-Heart Plus for Dogs

Tri-Heart Plus for Dogs

Starting at: $24.99

$28.43 Save: 12%

Tri-Heart Plus Chewable Tablets (Ivermectin/Pyrantel) Tri-Heart Plus is formulated for use in dogs to prevent canine heartworm disease by eliminating the tissue stage of heartworm larvae (Dirofilaria immitis) for a month (30 days) after infection and ...Read more »

Made in the USA
Some styles are in stock.
Revolution for Cats

Revolution for Cats

Starting at: $50.49

$56.60 Save: 11%

REVOLUTION Feline REVOLUTION provides broad spectrum protection against most internal and external parasites in cats eight weeks of age or older. It kills adult fleas and prevents flea eggs from hatching, treats and controls sarcoptic mange and intes ...Read more »

Made in the USA
Some 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.
Revolution for Puppies and Kittens 3 Count

Revolution for Puppies and Kittens 3 Count

$41.49

$46.10 Save: 10%

Revolution for Puppies and Kittens Revolution provides broad spectrum protection against most internal and external parasites in puppies and kittens six weeks of age or older. It kills adult fleas and prevents flea eggs from hatching, treats and cont ...Read more »

Made in the USA
In Stock.
Advantage Multi for Cats 6 ct

Advantage Multi for Cats 6 ct

Starting at: $85.99

$95.54 Save: 10%

Advantage Multi for Cats Advantage Multi for Cats is a once-a-month topical medication for cats that controls fleas, prevents heartworm infection, and kills intestinal parasites. Cats should be tested for heartworm disease prior to being put on a pre ...Read more »

Made in the USA
All styles are in stock.
Revolution

Revolution

Starting at: $48.49

$53.80 Save: 10%

Revolution Canine Revolution provides broad spectrum protection against most internal and external parasites in dogs six weeks of age or older. It kills adult fleas and prevents flea eggs from hatching, treats and controls sarcoptic mange and intesti ...Read more »

Made in the USA
Some styles are in stock.
Advantage Multi for Dogs

Advantage Multi for Dogs

Starting at: $88.99

$98.88 Save: 10%

Advantage Multi(R) for Dogs Advantage Multi for Dogs is a once-a-month topical medication that prevents heartworm disease, treats circulating microfilaria in heartworm positive dogs, kills adult fleas and treats flea infestations, treats and controls ...Read more »

Made in the USA
All styles are in stock.
Interceptor Plus for Dogs 6ct

Interceptor Plus for Dogs 6ct

Starting at: $30.49

$33.88 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
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
Some styles are in stock.
Eligible for free e-certification with purchase Sentinal Flavor Tabs for Dogs 2 to 10 lbs 1 ct

Sentinal Flavor Tabs for Dogs 2 to 10 lbs 1 ct

$7.59

$8.43 Save: 10%

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
Some styles are in stock.
Interceptor 6 Month

Interceptor 6 Month

Starting at: $30.49

$33.88 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
All styles are in stock.
Eligible for free e-certification with purchase Sentinel Spectrum

Sentinel Spectrum

Starting at: $8.27

$9.19 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.
Heartgard Chewables for Dogs

Heartgard Chewables for Dogs

Starting at: $36.49

$41.73 Save: 13%

Heartgard Chewable Canine Heartgard is a once-a-month beef-flavored chewable that can protect your dog from the threat of potentially deadly heartworm disease. Heartgard Chewables are approved for use in puppies as young as six weeks, small dogs rega ...Read more »

Made in the USA
All styles are out of stock
Eligible for free e-certification with purchase Immiticide 5 Injection 50mg Vials

Immiticide 5 Injection 50mg Vials

$299.99

$347.99 Save: 14%

Immiticide 5 Injection 50mg Vials IMMITICIDE Sterile Powder is indicated for the treatment of stabilized Class 1 a , 2 b , and 3 c heartworm disease caused by immature (4 month-old, stage L 5 ) to mature adult infections of Dirofilaria immitis in dog ...Read more »

Made in the USA
Out of stock
Heartgard Chewables for Cats - 6 ct

Heartgard Chewables for Cats - 6 ct

Starting at: $29.99

$37.19 Save: 19%

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 Chewables is safe for all sizes and breeds of cats. It is a ...Read more »

All styles are in stock.
Eligible for free e-certification with purchase Iverhart Max for Dogs

Iverhart Max for Dogs

Starting at: $32.10

$35.67 Save: 10%

Iverhart Max Chewable Tablets Iverhart Max prevents heartworm disease and treats and controls roundworm, hookworm, and tapeworm infections in dogs in a once-a-month liver-flavored tablet. Dogs six months of age and older should be tested for heartwor ...Read more »

Some styles are in stock.
x

Sometimes, manufacturers require that products be advertised only at their suggested prices. When we choose to sell these items for less, we display the sale price only in the cart. To see the price, click Add to Cart.