The treatment landscape for diarrhea includes both dietary modifications and medications. The BRAT diet, consisting of bland, easily digestible foods like rice, can help firm stools and reduce irritation in mild to moderate cases. Over-the-counter medications such as bismuth subsalicylate and loperamide are effective in treating non-infectious diarrhea by reducing inflammation, killing bacteria, and decreasing fluid loss. However, the most crucial aspect of treatment is proper hydration, which can be achieved through oral rehydration solutions and clear fluids to prevent complications and support recovery.