Quest® Plus dewormer for horses is an effective one dose wormer that kills a variety of parasites, including encysted small strongyles, while many other competitive dewormers require up to five doses. This FDA approved fast working Equine dewormer reduces treatment frequency required for control of the most important parasites. Quest® and Quest® Plus effectively kill, Large Strongyles, Small Strongyles, Roundworms, Pinworms, Hairworms, Stomach Worms, Bots and, Encysted Small Strongyles. The added Praziquantel in Quest® Plus has the added benefit of killing tapeworms. Proven safe for use in numerous breeds of horses and ponies.