We all have digestion issues from time to time. So how are you expected to tell when your GI symptoms are just a little annoyance and when they're a sign of a serious digestive problem? When they're severe and/or persistent. The severity of gastrointestinal symptoms can range from minor to severe. If you're having the symptoms listed below on a regular basis or they're causing you a lot of pain, your body may be attempting to notify you that you have a digestive problem. Excess Gas & Bloating Bloating can be caused by GI issues such as Irritable Bowel Syndrome (IBS) or food intolerances like Celiac disease. Constipation Constipation is defined by the National Institutes of Health (NIH) as having fewer than three bowel motions per week or passing firm, dry stool. Constipation is a warning indication for a number of digestive illnesses, including IBS with constipation. If constipation is a regular occurrence in your life, you may have chronic constipation,