Imodium (Loperamide) is typically used to treat which acute complaint?

Imodium, which contains the active ingredient loperamide, is primarily used to treat diarrhea. It works by slowing down the movement in the gut, which decreases the number of bowel movements and makes the stools less watery. This action helps alleviate the symptoms associated with acute diarrhea, including traveler's diarrhea and diarrhea resulting from infections or other gastrointestinal disturbances.

While the other options involve gastrointestinal issues, they do not represent the primary use of loperamide. For example, constipation is characterized by infrequent bowel movements and hard stools, while nausea and vomiting relate to different types of gastrointestinal discomfort altogether and are not treated with loperamide. Understanding this specific use of Imodium is crucial for effective management of acute diarrhea in a clinical setting.