Everyone will experience symptoms slightly differently, especially depending on the type of ADHD you have. There are three main categories of ADHD symptoms you will likely experience, including inattention, hyperactivity, and impulsivity. Inattention symptoms include: • Short attention span • Forgetfulness • Distractible • Difficulty listening • Inability to pay attention to details • Poor organization • Poor academics Hyperactivity symptoms include: • In constant motion • Has difficulty remaining still • Excessive talking • Inability to engage in quiet activities • Inability to stay on task • Constant fidgeting Impulsivity symptoms include: • Interrupts others frequently • Difficulty waiting • High-risk taker • Blurts out answers and comments before thinking