The following fact sheet has been prepared and shared with the permission of Vic Better Health:
Attention deficit hyperactivity disorder (ADHD) is a particular condition that affects a young child’s behaviour or development (learning). Many children with ADHD say they do not understand why they sometimes feel out of control or very lonely. ADHD is not the child’s fault. We do not know exactly what causes ADHD.
ADHD is a behavioural disorder
ADHD is a behavioural disorder, not an illness or a sign of low intelligence. With understanding, care and medical treatment, a child who has ADHD can lead a normal life.
Children with ADHD have three main symptoms:
- inattention – having difficulty concentrating, forgetting instructions, moving from one task to another without completing anything
- impulsivity – talking over the top of others, having a ‘short fuse’, being accident prone
- overactivity – constant restlessness and fidgeting.
All young children have a limited attention span and sometimes do things without thinking, but only a few of these children have ADHD.
Diagnosis of ADHD
The number of behavioural and developmental disorders that cause symptoms of ADHD in young children is growing. For this reason it is important to properly assess the causes of their symptoms.
A paediatrician, child psychologist or child psychiatrist can make the assessment or arrange a referral. They can diagnose ADHD only after making a detailed assessment – there is no single test. They need to collect a range of information, especially from parents and the child's school. The symptoms of ADHD must be obvious in most areas of the child’s life.
Assessment must include a developmental history of the child’s past behaviours. It will also consider any problems with the child’s early attachment to a parent or caregiver, which may contribute to the behaviour. Doctors and psychologists use a variety of internationally recognised scales and criteria when diagnosing ADHD
Inattention criteria for diagnosing ADHD
The following criteria are often used to diagnose the inattention part of ADHD. A child should have six or more of these symptoms of inattention for at least six months to a degree that interferes with their everyday life and is inconsistent with the normal developmental level.
A child with symptoms of inattention will, on a regular basis:
- not give close attention to details, or make seemingly careless mistakes in school work or other activities
- have difficulty sustaining attention in tasks or play activities
- not seem to listen when spoken to directly
- not follow through on instructions
- not finish school work, chores or other duties (but not because they are being wilful or do not understand instructions)
- have difficulty organising tasks and activities
- avoid, dislike or be unwilling to do tasks that need continuing mental effort (such as school work or homework)
- lose things needed for tasks or activities (such as toys, school assignments, pencils, books or tools)
- be easily distracted
- be forgetful in daily activities.
Hyperactivity-impulsivity criteria for diagnosing ADHD
Doctors often use the following criteria to diagnose the hyperactivity-impulsivity of ADHD. The child must have six or more of these symptoms for at least six months, to a degree that interferes with their everyday life and is inconsistent with the child’s developmental level
A child with symptoms of hyperactivity will often:
- fidget with their hands or feet or squirm in their seat
- leave their seat in the classroom or in other situations in which remaining seated is expected
- run about or climb excessively in inappropriate situations
- have difficulty playing or taking part in leisure activities quietly
- be ‘on the go’ or act as if ‘driven by a motor’
- talk too much.
Impulsivity criteria for diagnosing ADHD
A child with symptoms of impulsivity will often:
- answer before questions have been completed
- have difficulty waiting in turn
- interrupt or intrude on others (for example, interrupting conversations or games).
Other criteria for diagnosing ADHD
Other criteria may include:
- some hyperactive-impulsive or inattentive symptoms that caused impairment before the child reached the age of seven years
- some impairment from the symptoms in two or more settings, such as at school and at home
- clear evidence of clinically significant impairment in how the child functions in social, school or work situations
- symptoms that do not occur only during the course of a developmental disorder, a mental illness like schizophrenia or other psychotic disorder, and cannot be explained by another disorder (such as mood disorder, anxiety disorder, dissociative disorder or a personality disorder).
Types of ADHD
Using the above criteria, a health professional can determine the type of ADHD a child has.
Types of ADHD include:
- ADHD combined type – if the child meets the criteria for both inattention and hyperactivity-impulsivity for the past six months
- ADHD predominantly inattentive type – if the child meets the criteria for inattention, but not the criteria for hyperactivity-impulsivity, for the past six months
- ADHD predominantly hyperactive-impulsive type – if the child meets the criteria for hyperactivity-impulsivity, but not the criteria for inattention, in the past six months.
Causes of ADHD
We do not know the exact cause of ADHD, but researchers suspect that contributing factors may include:
- neurophysiology – which includes differences in brain anatomy, electrical activity and metabolism
- genetics – some research suggests possible gene mutations may be present
- drugs – the child’s mother having used nicotine or cocaine during pregnancy
- lead – chronic exposure to low levels of the metal lead may influence behaviour and brain chemistry
- lack of early attachment – if a baby does not bond with their parent or caregiver, or has traumatic experiences related to the attachment, this can contribute to their inattention and hyperactivity
- childhood post-traumatic stress disorder – a child with this disorder may have symptoms similar to ADHD, but will need different treatment.
Caring for a child with ADHD
A child with ADHD can stretch the patience of all members of the family. Parents need to try a range of different ways to help their child learn and develop, and reduce stress in the family.
It is important for parents to be consistent and work as a team to support each other. Try to have breaks often, as it is valuable to get some respite from the demands of caring for a child with ADHD.
It will help if you:
- Develop consistent routines at home and at school.
- Keep rules clear and simple, and give reminders calmly.
- Get physically close to the child and make sure you have the child’s full attention when you talk.
- Give your child only one or two instructions at a time.
- Ask them to repeat the instruction to be sure that they have understood.
- Praise your child when they are behaving appropriately, and acknowledge their achievements.
- Be clear about discipline for behaviour you find unacceptable. For example, use ‘time out’ (between the ages of 18 months and six years) or logical consequences (for older children).
- More information on ways to help children with ADHD is available through the Royal Children's Hospital Melbourne.
Managing ADHD
There are a number of ways to help reduce your child's ADHD symptoms. These include:
- medication – ADHD medications are most commonly stimulant medications. They can reduce hyperactivity and impulsivity and improve a child's ability to focus, work, and learn
- psychotherapies such as behaviour therapy and cognitive behaviour therapy
- counselling – for your child and other family members.
Parents of children with ADHD may find that they benefit from:
- parenting skills training that helps them learn how to encourage and reward positive behaviours in their child
- learning some stress management techniques
- joining a support group.
Where to get help
- Your child's GP or paediatrician
- Your maternal and child health nurse
- Parentline Tel. 13 22 89
- Community health centre
More Information
- Royal Children’s Hospital – Kids Health Info: ADHD – an
- Royal Children’s Hospital – Kids Health Info: Ways to help children with
- Royal Children’s Hospital – Kids Health Info: ADHD – stimulant
- Adults with
- Attention Deficit Disorder
- CHADD – The National Resource on ADHD
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