Propantheline bromide is primarily used as an antispasmodic agent to treat gastrointestinal disorders. It works by blocking acetylcholine receptors, reducing muscle spasms in the digestive tract. This makes it effective in managing conditions like irritable bowel syndrome, peptic ulcers, and excessive sweating caused by overactive sweat glands. Additionally, it is sometimes prescribed to control urinary incontinence by relaxing the bladder muscles. The drug is typically administered orally and should be used under medical supervision due to potential side effects such as dry mouth, blurred vision, and constipation.