In a big win for generic drug manufacturers, a federal judge has invalidated the patents for Imodium A-D - a popular, over-the-counter diarrhea medicine - after finding that the patented improvements ...

Loperamide (brand names: Imodium A-D, Difixn) is a medicine classified as an opioid antidiarrheal. It can be used in dogs and cats to treat loose stool and diarrhea that is not linked to an infection ...