Which brand name is associated with the anti-diarrheal agent loperamide?

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Multiple Choice

Which brand name is associated with the anti-diarrheal agent loperamide?

Explanation:
Imodium is the name most people recognize for loperamide. Loperamide works by acting on μ-opioid receptors in the gut, which slows intestinal motility and reduces secretions, letting more water be reabsorbed and easing diarrhea. It usually doesn’t cause central opioid effects because it’s kept out of the brain by P-glycoprotein, so you get relief from diarrhea without mood or sedation changes. The other options are different drugs with their own brand names, not loperamide—so Imodium is the correct association for this anti-diarrheal.

Imodium is the name most people recognize for loperamide. Loperamide works by acting on μ-opioid receptors in the gut, which slows intestinal motility and reduces secretions, letting more water be reabsorbed and easing diarrhea. It usually doesn’t cause central opioid effects because it’s kept out of the brain by P-glycoprotein, so you get relief from diarrhea without mood or sedation changes. The other options are different drugs with their own brand names, not loperamide—so Imodium is the correct association for this anti-diarrheal.

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