Here are some articles to help inform you. [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7118465/](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7118465/) [https://westutter.org/what-is-stuttering/resources/pharmaceuticals-for-stuttering/](https://westutter.org/what-is-stuttering/resources/pharmaceuticals-for-stuttering/)