Pinaverium bromide is primarily used as an antispasmodic agent to treat symptoms associated with irritable bowel syndrome (IBS) and other functional gastrointestinal disorders. It works by relaxing the smooth muscles in the gut, reducing spasms, and alleviating pain, bloating, and discomfort. This makes it particularly effective for managing abdominal cramps and irregular bowel movements. It is often prescribed for patients who experience chronic digestive issues, providing relief without significantly affecting normal gut motility. Additionally, it is well-tolerated and suitable for long-term use in managing chronic conditions.