In a 2014 review of studies looking at the co-occurrence of ADHD and ASD, researchers found that between 30 to 50 percent of people with ASD also have symptoms of ADHD. Researchers dont fully understand the cause for either condition, or why they occur together so frequently. Both conditions may be linked to genetics.

Do people with ADHD often have autism?

But in fact, autism and ADHD often coincide. An estimated 30 to 80 percent of children with autism also meet the criteria for ADHD and, conversely, 20 to 50 percent of children with ADHD for autism.

How can you tell the difference between ADHD and autism?

Those with autism struggle to focus on things that they dont like, such as reading a book or doing a puzzle. And they may fixate on things that they do like, such as playing with a particular toy. Kids with ADHD often dislike and avoid things theyll have to concentrate on.

What is autism commonly misdiagnosed as?

ASD and attention deficit hyperactivity disorder (ADHD or ADD) share a number of symptoms, such as problems with executive functioning, impulsiveness, and hyperactivity. Occasionally, individuals with ASD are misdiagnosed with ADHD.

Can a child show signs of autism and not have it?

Not all children with autism show all the signs. Many children who dont have autism show a few. Thats why professional evaluation is crucial.

Can ADHD be mistaken for autism?

Symptoms of ADHD and autism In the earliest stages, its not unusual for ADHD and ASD to be mistaken for the other. Children with either condition may experience trouble communicating and focusing. Although they have some similarities, theyre still two distinct conditions.