Patients experience ADHD differently, each with a mix of diagnostic symptoms and associated features.¹ Comorbid conditions are also common.^4-7 These factors contribute to the full experience of ADHD.

The interplay among these 3 neurotransmitters may be responsible for the distinct mix of ADHD symptoms in each patient.^4,8,9 Norepinephrine is associated with focus and alertness; dopamine with attention and motivation; and serotonin with mood and emotional regulation, but they may interact to play a role in ADHD symptoms.^4,8,9