{"id":38178,"date":"2026-06-08T16:37:19","date_gmt":"2026-06-08T08:37:19","guid":{"rendered":"https:\/\/autismpartnership.com.hk\/?p=38178"},"modified":"2026-06-08T16:53:35","modified_gmt":"2026-06-08T08:53:35","slug":"asd-vs-adhd","status":"publish","type":"post","link":"https:\/\/autismpartnership.com.hk\/en\/asd-vs-adhd\/","title":{"rendered":"ASD vs ADHD"},"content":{"rendered":"\t\t
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Autism Spectrum Disorder (ASD) and Attention-Deficit Hyperactivity Disorder (ADHD) are similar disorders, even on a genetic level. Consequently, there can be a lack of clarity when discussing them. This article will attempt to provide some clarity regarding important issues on this topic.<\/p>

To begin with, let\u2019s get a handle on how many children have these conditions. For ASD, about 3% of children have the condition. Whereas the percentage is 5% or possibly a little higher for ADHD. However, that does not mean that 8% of children have one or the other. That is because people can be diagnosed with both conditions. The data is fuzzy regarding the percentage of individuals with ASD who also have ADHD. Studies have placed the number between 30% and 70%.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Knowing that there can be genetic overlap between ASD and ADHD, it is no surprise that there are commonalities between them. They both have characteristic attention challenges, behavioral and sensory difficulties, and social challenges. However, there are some subtle differences. For example, individuals with ADHD often have the capacity to succeed socially, if they can pay attention. However, individuals with ASD struggle, even if their attention is strong. Those with ADHD are more likely to be distracted by external stimuli, while those with ASD are more likely to have attention difficulties due to hyperfocus on a special interest or sensory interference. People with ADHD are more likely to engage in fidgety-type behaviors to seek stimulation, while people with ASD are more likely to engage in repetitive behaviors to soothe themselves.<\/p>

There are also meaningful differences in how these conditions are diagnosed. There are reliable objective assessments for ASD that can be used to diagnose ASD in children as young as two years of age, and new technology is pushing that age even earlier. For ADHD, diagnosis still relies mostly on rating scales and interview and is not all that reliable until the age of five. Consequently, in most cases where someone has both conditions, their ASD should have been treated before receiving treatment for ADHD. However, that sequence can be quite variable depending on one\u2019s profile.<\/p>

It can be difficult to identify symptoms of ADHD, as they often involve behaviors that can be seen in typically developing children as well. For example, most children can be overactive at times. However, for children with ADHD, their activity level is elevated most of the time, not just occasionally. With elevated hyperactivity, impulsivity, and inattention, children with ADHD often struggle in school due to difficulty focusing. Similarly, inattention and especially impulsivity can lead to social difficulties as well, as children with ADHD are often explosive, aggressive, bossy, break game rules, interrupt, and dominate conversations.<\/p>

In the end, ADHD and ASD can co-occur and will likely require treatment for a child to reach their potential. However, for determining what a child\u2019s condition is and recommending a course of action, an assessment is necessary. The good news is that professionals can be trained to do just that. \u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Autism Spectrum Disorder (ASD) and Attention-Deficit Hyperactivity Disorder (ADHD) are similar disorders, even on a genetic level. Consequently, there can be a lack of clarity when discussing them. This article will attempt to provide some clarity regarding important issues on this topic. 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