Safe-Guard® Equine Dewormer is a safe and powerful wormer which contains 10% Fenbendazole. Helps control multiple stages large and small strongyles, pinworms, and ascarids. Approved for use concomitantly with an approved form of trichlorfon for the treatment of stomach bots. Extremely safe for pregnant mares, foals, and stallions. Apple-cinnamon flavored. One 25 gram syringe will treat up to 1,100 lbs of body weight.