ADHD in adults is one of the most common misdiagnosed conditions. There are as many as eight million adults with ADHD in the USA alone—about 1 in 25 people. Almost 60 percent of children with ADHD will have the disorder through adulthood. It is important to diagnose ADHD in adults and get correct treatment, as ADHD can affect work, social interactions and personal relationships.

Types of Adult ADHD

There are three main types of adult ADHD. These are the different symptoms for each:

ADHD Inattentive

  • Makes careless mistakes when working on uninteresting or difficult projects
  • Difficulty paying attention at work, or holding down a job for a significant amount of time
  • Difficulty concentrating on conversations
  • Has trouble finishing projects once started
  • Problems with organization
  • Avoids or delays starting projects that require a lot of thought
  • Loses or can’t find things at home or work
  • Disorganized personal items causing excessive clutter in the home, car, etc.
  • Distracted by activity or noise
  • Problems remembering appointments or obligations; inconveniently changes plans on a regular basis

ADHD Hyperactive-Impulsive

  • Tendency to interrupt in conversation
  • Difficulty sitting still or frequent feelings of restlessness
  • Tendency to choose highly active, often risky jobs
  • Seeks constant activity
  • Frequent feelings of boredom
  • Self-destructive, risk-seeking behavior including addictions
  • Intolerant to frustration, easily irritated
  • Impulsive, makes snap decisions and engages in irresponsible behaviors
  • Tendency to be short-fused

ADHD, Combined

  • Individuals display both inattentive and hyperactive/impulsive

Patients with adult ADHD may also have anxiety, depression or bipolar disorder. This can complicate the diagnosis and treatment of the condition.