Are Autism and ADHD Related?

Autism Spectrum Disorder (ASD) and Attention-Deficit/Hyperactivity Disorder (ADHD) are two of the most commonly diagnosed neurodevelopmental conditions. While they are separate diagnoses, many people ask: Are autism and ADHD related? The answer is yes—they share similarities, can co-occur, and may overlap in symptoms.

1. What Is the Link Between Autism and ADHD?

Research shows a strong connection between autism and ADHD. Studies estimate that 30% to 80% of individuals with autism also have ADHD, and many with ADHD display traits commonly associated with autism. Both conditions affect executive functioning, attention, impulse control, and social behavior.

2. Shared Traits and Symptoms

While autism and ADHD are distinct, they can present with overlapping symptoms, such as:

Difficulty focusing or paying attention

Trouble with social interactions

Impulsivity or hyperactivity

Struggles with organization and routines

Emotional regulation challenges

These shared traits can make diagnosis more complex and may lead to misdiagnosis or delayed diagnosis.

3. Key Differences Between Autism and ADHD

Despite their similarities, autism and ADHD have different core features:

ADHD is primarily marked by inattention, impulsivity, and hyperactivity.

Autism is characterized by challenges in social communication, restricted or repetitive behaviors, and sensory sensitivities.

People with ADHD are often more socially motivated but may struggle with attention and impulse control, while autistic individuals may find social communication and sensory experiences more difficult.

4. Can Someone Have Both Autism and ADHD?

Yes—this is known as a dual diagnosis. Until recently, it was believed a person couldn’t be diagnosed with both conditions, but that view has changed. Now, dual diagnosis is widely recognized, and treating both conditions is crucial for appropriate support.

5. Why Understanding the Connection Matters

Recognizing the relationship between autism and ADHD can lead to:

Earlier and more accurate diagnosis

Tailored support strategies for both home and school

Better understanding of behavior and learning needs

Improved mental health outcomes with proper interventions

Find out more in The Autism Relationship Guide available on AutismVictory.com.

Back to blog