My son had success with Quillivant but ultimately switched back to Concerta because he didn’t like taking a liquid.
However, the only way to know the success and side effects of Quillivant for your son, is for your son to try it. These medications have different results for every individual because it depends on individual neurotransmitter needs, genetics, and metabolism. Here’s more on how ADHD medications work:
And more about Quillivant:
ADDitude Community Moderator, Author & Mentor on Parenting ADHD, Mom to teen w/ ADHD, LDs, and autism