https://www.iampsychiatry.uk/a....dult-adhd-medication
How Does Medication For ADHD Work? Stimulants increase levels of dopamine and norepinephrine in your brain, helping improve the ability to focus and control impulses. They are available in immediate-release (short-acting) and extended-release tablets that are taken every day, usually in the morning. Nonstimulant drugs take longer to work but they can improve the ability to control impulses and attention. Atomoxetine (Strattera) and guanfacine (Viloxazine) are in the class of antidepressants and increase levels of norepinephrine. Stimu