My doctor ran tests, aside from bacteria, to see if I was gluten intolerant, have parasites, a fungal infection, a yeast infection - some of which also disrupts and thins the gut lining. Dietary changes were also made based on results and her nutritionist helped me with foods to incorporate and foods to omit, especially sugars as bacteria feed on it. Prebiotics and probiotics were also prescribed. And other nutrients, vitamins and minerals, I was tested for, where I was too low. Additionally, my doctor emphasized how stress disrupts the gut. There's a strong connection between the brain and gut (google it to learn about it) and stressors are huge in impacting our gut. My doctor also has on staff an educator to talk about the brain and gut connection and how to go about minimizing our stress with meditation and breath work on a daily basis. All of this is a process that needs to slowly be incorporated and be consistent with to achieve healing and building the gut lining back to health. Hope this helps! Best to you!