KnowYourDisease.Com Attention Deficit Hyperactivity Disorder Definition, Causes, Risk Factors, Symptoms, Diagnosis, Treatment, Mental Illness Disorder, Mental Health Disorder, Deficit Hyperactivity Disorder Adhd
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Attention Deficit Hyperactivity Disorder (ADHD) and Attention Deficit Disorder (ADD)

Attention deficit hyperactivity disorder (ADHD) is a chronic behavioral disorder of childhood onset (by age seven). It is characterized by behavior that is hyperactive, impulsive, and/or inattentive. These behaviors must persist for at least six months and be present in two environments (home, work, or school.) ADHD affects children, adolescents, and adults.

The cause of ADHD is unknown. It most likely is caused by a chemical imbalance in the brain. There also appears to be a genetic factor since ADHD can run in families.

Risk Factors:
A risk factor is something that increases your chance of getting a disease or condition. Risk factors for ADHD are:
  • Male sex
  • Parent or sibling with ADHD
All children display some of the symptoms of ADHD sometimes. Children with ADHD, however, have symptoms that are noticeably more severe and consistent. Unlike normal children with lots of energy, children with ADHD often have difficulty in school and with their family and peers.

Behaviors linked to ADHD can last into adulthood. In adulthood, ADHD symptoms can continue to cause relationship difficulties as well as problems with job performance and retention.

There are three types of ADHD (based on the symptoms displayed):

  • combined inattentive, hyperactive, and impulsive (80%)
  • predominantly inattentive (15%)
  • predominantly hyperactive and impulsive (5%)
Inattentive (classic "ADD")
  • Easily distracted by sights and sounds
  • Doesn't pay attention to detail
  • Doesn't seem to listen when spoken to
  • Makes careless mistakes
  • Doesn't follow through on instructions or tasks
  • Avoids or dislikes activities that require longer periods of mental effort
  • Loses or forgets items necessary for tasks
  • Is forgetful in day-to-day activities
  • Is restless, fidgets, and squirms
  • Runs and climbs and is not able to stay seated
  • Blurts out answers before hearing the entire question
  • Has difficulty playing quietly
  • Talks excessively
  • Interrupts others
  • Has difficulty waiting in line or waiting for a turn
  • Has a combination of the above symptoms

Combined ADHD is the most common type.

Many people with ADHD also often have:

  • Depression
  • Anxiety
  • Conduct disorder
  • Antisocial behavior
  • Substance abuse
There is no standard test to diagnose ADHD. The diagnosis is made by a trained mental health professional. Family and teachers are involved as well.

The American Academy of Pediatrics recommends that the following guidelines be used for diagnosis in children 6-12 years of age:

  • Diagnosis should be initiated if a child shows signs of difficulty in:
    • School
    • Academic achievement
    • Relationships with peers and family
  • During diagnosis, the following information should be gathered directly from parents, caregivers, teachers, or other school professionals:
    • Assessment of symptoms of ADHD in different settings (home and school)
    • Age at which symptoms started
    • How much the behavior affects the child's ability to function
  • The healthcare professional should examine the child for:
    • Other conditions that might be causing or aggravating symptoms
    • Learning and language problems
    • Aggression
    • Disruptive behavior
    • Depression or anxiety
  • For a diagnosis of ADHD to be made, symptoms must:
    • Be present in two or more of the child's settings
    • Interfere with the child's ability to function for at least six months
    • Fit a list of symptoms detailed in the most recent version of the Diagnostic and Statistical Manual (DSM) of the American Psychiatric Association

ADHD diagnosis is often complicated by the presence of other, sometimes co-existing, disorders such as learning disorder, conduct disorder, depression, anxiety disorder, and adjustment disorder.

Therapies aim to improve the child's ability to function. Guidelines from the American Academy of Pediatrics encourage physicians to work as a team with parents and school personnel. Together they can set realistic treatment goals and evaluate the child's response.

Treatments include:

Medications can help control behavior and increase attention span. Stimulants are the most common treatment for ADHD. They increase activity in parts of the brain that appear to be underactive in children with ADHD. Stimulant medications include:
  • Methylphenidate (Ritalin)
  • Dextroamphetamine (Dexedrine)
  • Amphetamine (Adderall)
  • Atomoxetine (Strattera)

Other drugs include:

  • Antidepressants–to treat depression and anxiety
  • Clonidine (used for Tourette's syndrome)–to treat impulsivity
Behavior Therapy
Children who take medication and practice behavioral techniques do better than those who just use medication. Sometimes behavioral therapy includes working one-on-one with a therapist. Together they practice social and problem-solving skills. Counselors will also teach parents and teachers to modify the child's behavior through positive reinforcement. This could involve change in the classroom as well as in parenting style. Often, daily report cards are exchanged between parents and teachers.

There are no guidelines for preventing ADHD because the cause is unknown. Proper treatment can prevent problems later in life with school, relationships, and drug and alcohol abuse.
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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