An injectable drug, melarsomine (brand name Immiticide®), is given to kill adult heartworms. Melarsomine kills the adult heartworms in the heart and adjacent vessels. This drug is administered in a series of injections. Your veterinarian will determine the specific injection schedule according to your dog’s condition.

How can I treat my dog for heartworms at home?

They can be controlled naturally with citrus oils, cedar oils, and diatomaceous earth. Dogs needing conventional treatment may benefit from herbs such as milk thistle and homeopathics such as berberis; these minimize toxicity from the medications and dying heartworms.

What can I give my dog over the counter for heartworms?

Heartgard Plus is one of the most popular heartworm preventatives on the market. It uses ivermectin and pyrantel to protect dogs from heartworms as well as treat and control hookworm and roundworm infestations. It’s easy to give, and compared to the topical options, Heartgard Plus is a very affordable option.