# Treatment Summary for Diarrhea Hydration, particularly with oral rehydration solutions, is the foundational treatment for diarrhea and essential for preventing complications. Bismuth subsalicylate and loperamide are both highly effective options for symptom relief—bismuth subsalicylate reduces inflammation and bacterial load in mild-to-moderate cases, while loperamide works quickly to firm stools but should be avoided in infectious diarrhea. The BRAT diet serves as a supportive transition tool during recovery rather than a direct treatment, helping with digestion as patients resume eating. Overall, treatment approaches combine immediate hydration support with targeted symptom management depending on diarrhea severity and underlying cause.