Her heartworm treatment killed the worms in her heart so she could live a long life. (poodleandpoochrescue.org)
Even if heartworm infection is diagnosed, there are currently no known treatments that can kill the worms without risking the life of the cat. (veterinarianelkinspark.com)
These products are not absorbed into the host's body from the GI tract and can only kill the worms living within the GI tract. (vin.com)