Fig. 2From: Examination of the “susceptibility gap” in the treatment of canine heartworm infection Dirofilaria immitis development timeline demonstrationg worm growth over time and the publisehd efficacy of macrocyclic lactones and melarsomine dihydrochloride which, together, support treatment of heartworms at the time of diagnosis, without further delay, as long as the dog is stable and otherwise a good candidate for melarsomine dihydrochloride therapyBack to article page