Common Childhood Disorders

Attention Deficit/Hyperactivity Disorder (ADHD):

ADHD is one of the most common mental disorders in children. Children with ADHD have impaired functioning in multiple settings, including home, school, and in relationships with peers. If untreated, the disorder can have long-term adverse effects into adolescence and adulthood. Learn More About ADHD >

  • Affects an estimated 4 percent of youths ages 9-17
  • Affects about 2 to 3 times more boys than girls


  • Children can’t stay focused on task
  • Can’t sit still
  • Act without thinking
  • Have a hard time finishing tasks
  • Hyperactivity, impulsivity


Only in the past two decades has depression in children been taken seriously. Normal behaviors vary from one childhood stage to another, so it can be difficult to tell whether a child is just going through a “phase” or is suffering from depression. Seek the help of a professional to assess your child.


Young Children may:

  • Pretend to be sick
  • Refuse to go to school
  • Cling to parents
  • Worry that a parent will die

Older Children may:

  • Sulk
  • Get into trouble at school
  • Be negative, grouchy
  • Feel misunderstood

Conduct Disorder:

All children misbehave at times, but conduct disorders go beyond mischief and rebellion. With conduct disorders, the child usually has a pattern of hostile, aggressive or disruptive behaviors for several months. Seek the help of a professional to help avoid development of more severe behavior problems. Learn More >


  • Harming or threatening themselves, other people or pets
  • Damaging or destroying property
  • Lying or stealing
  • Not doing well in school, skipping school
  • Early smoking, drinking or drug use
  • Early sexual activity
  • Frequent tantrums and arguments
  • Consistent hostility towards authority figures