The phrase "digestive issues" refers to problems or troubles related to the process of digesting food in our bodies. This can include things like stomachaches, bloating, indigestion, constipation, or diarrhea. Full definition
I suffered with digestive issues for years and always thought that I would never find the right answer. (ecohealthwellness.com)
Up to 70 % of travelers experience the uncomfortable effects of digestive issues from eating contaminated foods while traveling. (ordinarytraveler.com)
This is because these tend to be foods that some parents find cause digestive issues such as gas (or wind), or may be a little too acidic for younger babies. (homemade-baby-food-recipes.com)