ADHD and Comorbid Conditions

Dictionary.com defines comorbid as:

pertaining to two diseases which occur together, such as ADHD and depression

and also as:

existing simultaneously with and usually independently of another medical condition

ADHD isn’t always seen alone, very often there are comorbid conditions present – from sensory processing disorder to autism spectrum disorders to anxiety. In my son’s case he presents with ADHD (primarily hyperactive/impulsive type), sensory processing disorder, and childhood anxiety. According to an article “ADHD with Comorbid Anxiety” by David Beck Schatz and Anthony L. Rostain “ADHD is often comorbid with anxiety disorders, with rates approaching 25% in many samples.” That means that as many as 1 in 4 people afflicted with ADHD also suffer from anxiety, that’s quite a high rate.

Now let’s pursue other conditions which are often found alongside ADHD. In my reading I saw mention that somewhere between 50% and 90% of people diagnosed with ADHD will be treated for a second condition at one point in their life. The more commonly diagnosed comorbid disorders are depression, bipolar disorder, anxiety, learning disabilities, and oppositional defiant disorder. This makes me wonder what it is in these individual’s brain wiring or genetics that leaves them open to additional diagnoses above and beyond the initial diagnosis of ADHD. This also makes me wonder if my son has a more arduous road ahead of him then I initially thought.

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