Stimulants can increase anxiety. There isn’t scientific evidence to support it, but I’ve seen many people say that the amphetamines increase anxiety more than the methylphenidates. It might be time to try a different type of stimulant.
A Patient’s Primer on the Stimulant Medications Used to Treat ADHD
Penny
ADDitude Community Moderator, Parenting ADHD Trainer & Author, Mom to teen w/ ADHD, LDs, and autism