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.
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Eligible for free e-certification with purchase Advantage Multi for Cats 6 ct

Advantage Multi for Cats 6 ct

Starting at: $97.99

$108.88 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.
Eligible for free e-certification with purchase Advantage Multi for Dogs

Advantage Multi for Dogs

Starting at: $105.99

$117.77 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.
Eligible for free e-certification with purchase Iverhart Plus Dog

Iverhart Plus Dog

Starting at: $6.29

$6.99 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 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
Some 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.
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
In Stock.
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