Atomoxetine hydrochloride (ATH) is a first-line medication used to treat Attention Deficit Hyperactivity Disorder (ADHD) in children. However, it poses challenges such as a bitter taste and difficulties in dose adjustment. While once-daily administration may result in excessive drug exposure, twice-daily dosing improves plasma drug concentration stability but can reduce patient compliance, especially in school-aged children. To address these challenges, a novel strategy was proposed that…