Zimecterin from Boehringer Ingelheim is a combination of anthelmintic and boticide and provides parasite control for nearly 60 species and stages of parasites in horses. Effective against bots, large strongyles, small bloodworms, ascarids, threadworms, pinworms, lungworms, hairworms, large mouth worms and stomach worms. Can also be used to treat and control summer sores caused by larvae. Safe for use in healthy horses/ponies, foals older than 2 months, stallions, and breeding mares.