Melarsomine, aswell accepted by the cast name Immiticide, is an injectable biologic acclimated to amusement heartworm infection for dogs. It is generally acclimated in a 3 dosage agreement and generally acclimated afterwards analysis with doxycycline or minocycline. Melarsomine is NOT recommended for use in cats.Melarsomine is the biologic of best for the aboriginal date and is able for killing developed heartworms active in the arteries of the lungs.Canine heartworm ache is an important and all too accepted problem. While there are accomplished and safe methods for preventing infection, regrettably, dogs still become infected. Heartworm infection is advised in several ways.