How to Treat Irritable Bowel Syndrome in Cats. Part of the series: Cat Health Treatments. Irritable bowel syndrome in cats can be caused by a number of different things, and there are many different treatments according to the cause. Treat your cat's irritable bowel syndrome with guidance from a practicing veterinarian in this free video on cat health. Read more: http://www.ehow.com/video_6029316_tre...