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Types of ADHD

There are 3 main types of ADHD or attention deficit hyperactivity disorder:

  • ADHD mainly inattentive
  • ADHD mainly hyperactive-impulsive
  • ADHD combined

The combined type, where a child has symptoms of inattentiveness, hyperactivity and impulsiveness, is the most common type of ADHD.

Around 2-5% of school children can experience ADHD with the condition being diagnosed more often in boys than it is in girls.

Inattention symptoms

Symptoms of ADHD mainly inattentive include:

  • Not paying attention to detail
  • Making careless mistakes
  • Failing to pay attention and keep on task
  • Not listening
  • Being unable to follow or understand instructions
  • Avoiding tasks that involve effort
  • Being distracted or forgetful
  • Losing things that are needed to complete tasks

Hyperactivity-impulsivity symptoms

Symptoms of mainly hyperactive-impulsive ADHD include:

  • Fidgeting
  • Squirming
  • Getting up often when seated
  • Running or climbing at inappropriate times
  • Having trouble playing quietly
  • Talking excessively or out of turn
  • Interrupting

ADHD combined symptoms

A child with ADHD combined will display symptoms of inattentiveness, hyperactivity and impulsiveness.

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WebMD Medical Reference

Medically Reviewed by Dr Rob Hicks on September 08, 2017

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