Some signs of attention deficit hyperactivity disorder in children are hyperactivity, impulsiveness, inattention and trouble concentrating. Children with ADHD often have more trouble with concepts such as sharing, taking turns, letting others talk and remembering homework, according to WebMD.
Although most children struggle with these tasks, children with ADHD struggle with them to an extreme degree. The only way to know for sure if a child has ADHD is from a doctor's comprehensive assessment. Not all children with ADHD exhibit every possible symptom. A child who exhibits most symptoms for at least six months that are affecting his life may have ADHD, says WebMD.
Many children with ADHD do not exhibit hyperactivity. Some children with ADHD are quiet and may even do well in school, but they are unable to pay attention, says the National Institute for Mental Health. This inattentive type of ADHD often goes overlooked. Sometimes ADHD co-exists with anxiety and depression. Oftentimes ADHD treatment helps decrease these symptoms, which may exist because of the stress of undiagnosed ADHD, says the National Institute of Mental Health.
ADHD in children is treated with behavior modification therapy, medicine or a combination of both. There is no one-size-fits-all approach to treatment, and children and parents may have to try different medications and treatments before they find the right one, says the National Institute for Mental Health.