Vectin 22.75mg chewable tablets for horses are indicated for the treatment of nematode or arthropod infestations in horses due to large strongyles, small strongyles, lungworms, pinworms, ascarids, hairworms, large-mouth stomach worms, neck threadworms and stomach bots. The product contains a flavour and will be taken voluntarily by most horses. It can either be administered by hand, similar to a treat, or mixed with a small amount of feed. Each tablet contains ivermectin 22.75mg as an active substance.