Attention deficit hyperactivity disorder is commonly known as ADHD. People with ADHD are known for having impulsive behavior and they have trouble following routine instructions. They cannot focus on the same task for a long time. Children as well as adults can suffer from ADHD. It is not genetic and there is no telling at what age can one develop this disorder. There are three types of ADHD patients. The first type is those who are inattentive, the second are those who are hyperactive and the third are those who are inattentive and hyperactive. ADHD psychiatrist, que es ADHD, ADHD can be period overtime. There are medicines like Adderall, Ritalin, Modafinil etc. to treat ADHD. ADHD forgetfulness, ADHD essay, Symptoms of ADHD are headaches, aggressiveness, dizziness, inattentiveness, lack of motivation, etc.