Chewable, monthly heartworm preventative that eliminates the tissue
stage of heartworm larvae (dirofilaria immitis) for a month (30 days).
For the treatment and control of ascarids (toxocara canis, toxascaris
leonina) and hookworms (ancylostoma caninum, uncinaria stenocephala,
ancylostoma braziliense). Contains ivermectin and pyrantel. For dogs
26-50 lbs.