Attention Deficit Hyperactivity Disorder (ADHD)

What Is ADHD?


Attention deficit hyperactivity disorder (ADHD) is a brain disorder that affects how you pay attention, sit still, and control your behavior. It happens in children and teens and can continue into adulthood. 

ADHD is the most commonly diagnosed mental disorder in children. Boys are more likely to have it than girls. It’s usually spotted during the early school years, when a child begins to have problems paying attention. 

ADHD can't be prevented or cured. But spotting it early, plus having a good treatment and education plan, can help a child or adult with ADHD manage their symptoms.

ADHD Symptoms

Symptoms in children

Symptoms are grouped into three types:

Inattentive. A child with ADHD:

  • Is easily distracted
  • Doesn't follow directions or finish tasks
  • Doesn't seem to be listening
  • Doesn't pay attention and makes careless mistakes
  • Forgets about daily activities
  • Has problems organizing daily tasks
  • Doesn’t like to do things that require sitting still
  • Often loses things
  • Tends to daydream

Hyperactive-impulsive. A child with ADHD:

  • Often squirms, fidgets, or bounces when sitting
  • Doesn't stay seated
  • Has trouble playing quietly
  • Is always moving, such as running or climbing on things (In teens and adults, this is more often described as restlessness.)
  • Talks excessively
  • Is always “on the go,” as if “driven by a motor”
  • Has trouble waiting for their turn
  • Blurts out answers
  • Interrupts others

Combined. This involves signs of both other types.

Symptoms in adults

Symptoms of ADHD may change as a person gets older. They include:

  • Often being late or forgetting things
  • Anxiety
  • Low self-esteem
  • Problems at work
  • Trouble controlling anger
  • Impulsiveness
  • Substance misuse or addiction
  • Trouble staying organized
  • Procrastination
  • Easily frustrated
  • Often bored
  • Trouble concentrating when reading
  • Mood swings
  • Depression
  • Relationship problems


Attention deficit disorder (ADD) is the old name for ADHD. It was officially changed in the 1990s. Some people still use both names to talk about this one condition.

ADHD Causes

Experts aren’t sure what causes ADHD. Several things may lead to it, including:

  • Genes. ADHD tends to run in families.
  • ChemicalsBrain chemicals in people with ADHD may be out of balance.
  • Brain  changes. Areas of the brain that control attention are less active in children with ADHD.
  • Poor  nutrition , infections,  smoking , drinking, and substance abuse during  pregnancy These things can affect a baby’s brain development.
  • Toxins, such as lead. They may affect a child's brain development.
  • A brain injury or a brain disorder. Damage to the front of the brain, called the frontal lobe, can cause problems controlling impulses and emotions.

Sugar doesn’t cause ADHD. ADHD also isn’t caused by too much TV, a stressful home life, poor schools, or food allergies.


ADHD Diagnosis and Testing

It can be hard to diagnose ADHD, especially in children. No one test will spot it. Doctors use the American Psychiatric Association’s guidelines, which are based on how many symptoms a person has and how long they’ve had them. They’ll also rule out other things that may be causing the symptoms, such as health conditions or problems in daily life.

Your primary care doctor might refer you to a specialist such as a psychiatrist, psychologist, or psychotherapist.

ADHD Treatment

Many symptoms of ADHD can be managed with medication and therapy.

MedicationMedications called stimulants can help control hyperactive and impulsive behavior and improve your attention span. They include:

Stimulant medications don’t work for everyone with ADHD. People older than 6 may take nonstimulant medications such as:

Therapy. These treatments focus on changing behavior.

  • Special education helps a child learn at school. Having structure and a routine can help children with ADHD a lot.
  • Behavior modification teaches ways to replace bad behaviors with good ones.
  • Psychotherapy  (counseling) can help someone with ADHD learn better ways to handle their emotions and frustration. It could help improve their self-esteem. Counseling may also help family members better understand a child or adult with ADHD.
  • Social skills training can teach behaviors, such as taking turns and sharing.

Medical device. The FDA has approved the Monarch external Trigeminal Nerve Stimulation (eTNS) System for children 7 to 12 who aren’t taking ADHD medications. It’s about the size of a cell phone and is attached to electrodes on a patch that you put on a child’s forehead. It sends low-level impulses to the part of their brain that’s thought to cause ADHD. The device is usually worn at night. 

Support groups of people with similar problems and needs can help you learn more about ADHD and how to manage your symptoms. These groups are helpful for adults with ADHD or parents of children with ADHD.


Natural remedies

Dietary supplements with omega-3s have shown some benefit for people who have ADHD.

A few lifestyle changes can also help you or your child manage symptoms:

  • Eat a healthy diet with lots of fruits, veggies, whole grains, and lean protein.
  • Get some exercise every day.
  • Limit time spent on electronic devices.
  • Get plenty of sleep.

If your child has ADHD, it may help for you to:

  • Keep a clear schedule and routines.
  • Talk to your child simply and honestly about what you expect from them.
  • Focus only on your child when you’re talking to them.
  • Be an example of calm, focused behavior.
  • Reward good behavior.

ADHD Outlook

Without treatment, ADHD can make it hard to deal with the challenges of everyday life. Children may have trouble learning or developing social skills. Adults could have problems with relationships and addiction. The disorder could also lead to mood swings, depression, low self-esteem, eating disorders, risk-taking, and conflicts with people around you.

But many people who have ADHD live happy, full lives. Treatment helps.

It’s important to keep track of your symptoms and see your doctor regularly. Sometimes, medication and treatments that were once effective stop working. You may need to change your treatment plan. Some people’s symptoms get better in early adulthood, and some are able to stop treatment.

WebMD Medical Reference Reviewed by Hansa D. Bhargava, MD on June 08, 2020



American Academy of Family Physicians: "ADHD: What Parents Should Know."

Attention Deficit Disorder Resources: "Behavioral Treatment for ADHD."

CHADD: "Children and Adults with Attention Deficit Hyperactivity Disorder."

National Resource Center on ADHD: "Symptoms and Diagnostic Criteria."

National Institute of Mental Health: "Attention Deficit / Hyperactivity Disorder."

FDA: “FDA permits marketing of first brain wave test to help assess children and teens for ADHD.”

Nemours/KidsHealth: “ADHD.”

CDC: “What is ADHD?” “Symptoms and Diagnosis of ADHD.”

CHADD: “About ADHD – Overview.”

National Alliance on Mental Illness: “Attention Deficit Hyperactivity Disorder (ADHD).”

Attention Deficit Disorder Association: “ADHD: The Facts.”

American Psychiatric Association: “What Is ADHD?”

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