The attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by problems with attention, hyperactivity, and impulsivity. The disorder is most common among children but can also appear in adults. Proper diagnosis and treatment are essential for improving the quality of life of patients. The goal of ADHD treatment is not only to alleviate symptoms but also to support the patient’s daily life, enabling successful social and professional integration. Treatment must take into account the individual needs of the patient, their age, and the severity of the disorder. Society is increasingly recognizing the existence of ADHD, and scientific research continuously uncovers new information about the causes and treatment of the disorder.…