Giardia is a common intestinal parasite that affects both humans and animals, particularly dogs and cats. It causes giardiasis, an infection leading to symptoms such as diarrhea, abdominal discomfort, bloating, and weight loss. Controlling Giardia is important for maintaining gastrointestinal health and preventing the spread of infection. Among the available treatment options, Fenbendazole has shown to be effective in controlling Giardia infections in animals. Fenbendazole is an anthelmintic medication widely used for treating a range of intestinal parasites.