Cat Heartworm Treatments Comparison Guide Some Medications That Will Help Keep Your Cat Heartworm Free

Cat Heartworm Treatments Comparison Guide

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Heartworms in cats are more than just an icky idea -- these worms can do some serious damage! Do everything you can to keep your cat safe from heartworms by protecting them with preventative medication. Here are some of your best options.

Heartworms in cats are no fun. Flown in courtesy of the ever-loathed mosquito, these insufferable parasites hitch a ride in their proboscis, where they can make their way inside your cat after an unlucky bite. From there, the heartworm wriggle their way down into the innermost workings of your cat, growing up to a foot in length inside their lungs or heart!

Not only are they a gross and alien concept,  but they can also do some serious damage to your cat's wellbeing. Since treatment for heartworm disease becomes increasingly invasive and expensive, the best offense, in this case, is a good defense. Here are a few products you can give your cat to help ward off these parasitic irritants.

Heartworm Medication for Cats


  • Once-a month topical solution
  • Non-greasy and quick-drying
  • Prevents heartworm, roundworm, and hookworm
  • Also kills fleas, flea eggs, ear mites, scabies, and ticks

Advantage MULTI

  • Once-a-month topical solution
  • Prevents heartworm, roundworm, hookworm and whipworm
  • Also kills fleas and ear mites
  • Safe to use with kittens 9 weeks and older, weighing 2lbs and up

Heartgard for Cats

  • Monthly chewable tablet
  • Protects against heartworm, pinworm, threadworm, and more
  • Safe to use with cats over 5 lbs


All heartworm medications are prescription only, so schedule a visit with your vet and get your cat put on one of these medications soon.

More On Heartworms

Signs of Feline Heartworm Disease
Heartworm Tests Explained
What Happens When You Don't Treat Heartworm

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