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Attention-deficit hyperactivity disorder (ADHD)
What is ADHD?
Attention-deficit hyperactivity disorder (ADHD) is the name of a group of behaviours found in many children and adults. People who have ADHD have trouble paying attention in school, at home or at work. Even when they try to concentrate, they find it hard to pay attention. Children may be much more active and/or impulsive than what is usual for their age. These behaviours contribute to significant problems in relationships, learning and behaviour. For this reason, children who have ADHD are sometimes seen as being "difficult" or as having behaviour problems.
People who have ADHD have a hard time organizing things, listening to instructions, remembering details and controlling their behaviour. As a result, people who have ADHD often have problems getting along with other people at home, at school or at work.
There is a lot of information in the news about ADHD. Usually the news is about ADHD in children. Not as much is known about the way ADHD affects adults. Often adults who have ADHD are diagnosed when they find out their children have ADHD. This health problem may run in families.
ADHD is more common in boys than in girls. You may be more familiar with the term attention deficit disorder (ADD). This disorder was renamed in 1994 by the American Psychiatric Association (APA).
Will my child outgrow ADHD?
We used to think children would "grow out" of ADHD. We now know that is not true for most children. Symptoms of ADHD often get better as children grow older and learn to adjust. Hyperactivity usually stops in the late teenage years. But about half of children who have ADHD continue to be easily distracted, have mood swings, hot tempers and are unable to complete tasks. Children who have loving, supportive parents who work together with school staff, mental health workers and their doctor have the best chance of becoming well-adjusted adults.
The person with ADHD who is inattentive will have 6 or more of the following symptoms:
The person with ADHD who is hyperactive/impulsive will have at least 6 of the following symptoms:
People who have ADHD have symptoms for at least 6 months.
What causes ADHD?
People who have ADHD do not make enough chemicals in key areas in the brain that are responsible for organizing thought. Without enough of these chemicals, the organizing centers of the brain don't work well. This causes the symptoms in people who have ADHD. Research shows that ADHD is more common in people who have close relatives with the disorder. Recent research also links smoking and other substance abuse during pregnancy to ADHD. Exposure to environmental toxins, such as lead, can also be a factor.
Things that don't cause ADHD:
What should I do if I think my child has ADHD?
Talk with your child's doctor. A diagnosis of ADHD can be made only by getting information about your child's behaviour from several people who know your child. Your doctor will ask you questions and may want to get information from your child's teachers or anyone else who is familiar with your child's behaviour. Your doctor may have forms or checklists that you and your child's teacher can fill out. This will help you and your doctor compare your child's behaviour with other children's behaviour.
Your doctor will probably want to test your child’s vision and hearing if these tests haven't been done recently.
Your doctor may recommend trying medicine to see if it helps control your child's hyperactive behaviour. A trial of medicine alone cannot be the basis for diagnosing ADHD. However, it can be an important part of evaluating your child if ADHD is suspected.
It might be hard for your doctor to tell if your child has ADHD. Many children who have ADHD aren't hyperactive in the doctor's office. For this reason, your doctor may want your child to see someone who specializes in helping children who have behaviour problems, such as a psychologist.
How is ADHD diagnosed?
Many people try to diagnose themselves by using a quiz or a checklist they find in a magazine or see on TV. While these lists can be helpful, it's best to see your doctor if you think you have ADHD. Your doctor may ask you questions like the following:
Your doctor might ask you questions about your past, your life now and your relationships. You may be asked to write down your answers on a form.
If I don't have ADHD, what could be making me feel this way?
A person can be jittery or distracted for many reasons. The following are some of the other problems your doctor may consider when he or she makes a diagnosis:
What medicines are used to treat ADHD?
Some of the medicines for ADHD are called psychostimulants. Some of these drugs include methylphenidate, dextroamphetamine, atomoxetine, and a drug that combines dextroamphetamine and amphetamine (called a d- and l-amphetamine racemic mixture). Although these medicines have a stimulating effect in most people, they have a calming effect in people who have ADHD. These medicines improve attention and concentration, and decrease impulsive and overactive behaviours. Other medicines can also be used to treat ADHD. Talk with your doctor about what treatments he or she recommends.
Other medicines sometimes used to treat ADHD include atomoxetine, clonidine, desipramine, imipramine and bupropion.
It's important to know that psychostimulant medicines used to treat ADHD are called "controlled" drugs. There are special rules about the way controlled drugs can be prescribed. The prescriptions for controlled drugs, such as methylphenidate and dextroamphetamine, must be refilled at the drug store every month.
Do the medicines for ADHD have side effects?
All medicines have side effects. Psychostimulants may decrease your appetite and cause a stomachache or a headache. The loss of appetite can cause weight loss in some people. This side effect seems to be more common in children. Some people have insomnia (trouble sleeping). Other possible side effects include fast heartbeat, chest pain or vomiting. Here are some ways to avoid side effects when taking psychostimulants:
How should medicine for ADHD be taken?
It's important to take the medicine just the way your doctor prescribes it. Follow your doctor's advice even if you think the medicine isn't working. Be sure to talk with your doctor if you think the medicine isn't working.
It's best to take the medicine 30 to 45 minutes before a meal. Good times to take this medicine are before breakfast and before lunch (if a second dose is needed). Lunch-time doses can be given at school for some children. If your child can't take this medicine at school, tell your doctor. Your doctor might suggest a long-acting form of the medicine instead. The long-acting form of this medicine is taken once a day only, right before breakfast. If you are taking the long-acting form of this medicine, do not crush, break or chew it before swallowing it.
Will the medicines also help with other problems?
The medicines used to treat ADHD have been shown to improve a person's ability to do specific tasks, such as pay attention or have more self-control in certain situations. It is not known whether these medicines can improve broader aspects of life, such as relationships or learning and reading skills. However, when children who have ADHD are not achieving their potential in school, medical treatment can often result in better grades and behaviour.
How long will this treatment last?
The length of time a person takes medicine for ADHD depends on each person. Everyone is different. Some people only need to take medicine for 1 to 2 years, while others need treatment for many more years. In some people, ADHD may continue into adolescence and adulthood.
People who have ADHD should be checked regularly by their doctors. During these check-ups, the doctor will want to hear what the parents have to say about a child who has ADHD. A teacher's comments about the child are also important. If your child has ADHD, your doctor may suggest that he or she take a break from his or her medicines once in a while to see if the medicine is still necessary. Talk with your doctor about the best time to do this--school breaks or summer vacation might be best.
What else can I do to help my child?
A team effort, with parents, teachers and doctors working together, is the best way to help your child. Children who have ADHD may be difficult to parent. They may have trouble understanding directions, and their constant state of activity can be challenging for adults. Children who have ADHD also tend to need more structure and clearer expectations. You may need to change your home life a bit to help your child. Here are some things you can do to help:
Some children benefit from counselling or from structured therapy. Families may benefit from talking with a specialist in managing ADHD-related behaviour and learning problems.
Studies have shown that certain food colourings and preservatives may cause or worsen hyperactive behaviour in some children. Talk to your doctor about whether you need to make any changes to your child’s diet.
What else can I do if I have ADHD?
If your doctor thinks you have ADHD, he or she may suggest counselling. Your doctor may also send you for more testing and counselling to someone who specializes in treating ADHD.
What else can I do to help myself?
You can learn ways to change your work environment and keep distractions to a minimum. Organizational tools can help you learn how to focus on activities at work and at home.
Many people who have ADHD find counselling helpful. A lifetime of ADHD behaviours and problems can cause low self-esteem and problems with relationships. Individual counselling and support groups may help you with these problems.
Reference: FamilyDoctor.org. http://familydoctor.org/familydoctor/en/diseases-conditions/attention-deficit-hyperactivity-disorder-adhd.html
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