Attention-Deficit/Hyperactivity Disorder (ADHD) is a neurodevelopmental disorder characterized by patterns of behavior that include inattention, hyperactivity, and impulsivity. These symptoms often result in problems with functioning and development. Understanding the symptoms of ADHD is crucial for early identification and management. Here, we discuss the primary symptoms associated with ADHD, categorized into two main areas: inattention and hyperactivity-impulsivity.