is guanfacine er a controlled substance
It can be used alone or in combination with long-acting oral stimulant medications to treat ADHD. Unlike most other ADHD medications, guanfacine ER is not a stimulant and is not a controlled substance. ADHD is a condition involving difficulty paying attention, sitting still, and controlling behavior. With ADHD, these problems are worse than expected for a typical child of the same age.