Safe-Guard® (fenbendazole) Equine dewormer from Merck Animal Health is a 10% fenbendazole paste used for the control of large and small strongyles, pinworms and ascarids in horses. The easy-to-use oral syringe contains 25 grams of apple-cinnamon flavored paste and treats up to 1,100 pounds of body weight.
Quest® Gel is a broad-spectrum horse dewormer that contains 2% moxidectin. This FDA approved, palatable gel suppresses production of small strongyle eggs for 84 days, kills encysted small strongyles, and removes large strongyles, small strongyles, pinworms, hairworms, largemouth stomach worms and stomach bots. One syringe treats 1,150 lbs. body weight.