Can You Be Diagnosed with Both ADHD and Autism?

woman sitting and thinking | Discover the benefits of seeking an ADHD and Autism evaluation in Middlesex, NJ and begin embracing your neurodiverse traits

When it comes to understanding the brain, things can sometimes get a little complicated. Two conditions that often come up are ADHD (Attention-Deficit/Hyperactivity Disorder) and Autism. Many people wonder: Can you have both ADHD and autism? The answer is yes!

In this blog, we will explore how both conditions can exist together, what that means for individuals, and the importance of getting an evaluation for both ADHD and Autism.

What is ADHD?

ADHD is a condition that affects how people focus, pay attention, and control their impulses. It can make it hard to sit still, follow instructions, or finish tasks. Some common signs of ADHD include:

  • Inattention: This means having trouble paying attention or being easily distracted.

  • Hyperactivity: This means being restless or having too much energy.

  • Impulsivity: This means acting without thinking or interrupting others.

ADHD can show up in different ways, and it’s important to remember that everyone with ADHD is unique. Some people may struggle mostly with inattention, while others might deal more with hyperactivity.

What is Autism?

Autism is a condition that affects how people communicate and interact with the world around them. Some common characteristics of autism include:

  • Social Challenges: People with Autism may find it hard to understand social cues, make eye contact, or connect with others.

  • Communication Differences: This can include not speaking at all, speaking in a different way, or having trouble understanding language.

  • Repetitive Behaviors: Some people with Autism might engage in repetitive movements or routines, like rocking back and forth.

Like ADHD, Autism affects everyone differently. Some people may have mild challenges, while others may need more support.

ADHD and Autism: Can They Co-Occur?

Research shows that it is possible for someone to be diagnosed with both ADHD and Autism. Studies suggest that many individuals with Autism also show signs of ADHD, and vice versa. The estimates indicate that around 30% to 80% of individuals with Autism may also have ADHD. This overlap can make evaluations and assessments tricky, as the symptoms of both conditions can be similar and may even mask each other.

For instance, both ADHD and Autism can involve difficulties with attention. However, the reasons behind these challenges might be different. A person with ADHD may struggle with focus because they are easily distracted or have racing thoughts, while someone with Autism might have difficulty focusing due to intense interest in specific topics or sensory overload.

man at desk playing with a pencil | Discover the benefits of seeking an ADHD and Autism evaluation in Middlesex, NJ and begin embracing your neurodiverse traits

Why Co-occurring Diagnoses Are Often Missed

Despite the potential for both ADHD and Autism to coexist, many individuals remain undiagnosed for one or both conditions. Here are some reasons why this often happens:

  • Overlapping Symptoms: Because ADHD and Autism share similar symptoms, professionals may attribute all behaviors to one diagnosis. For example, if a child is hyperactive and struggles with social interactions, they might be diagnosed with ADHD without recognizing possible signs of Autism.

  • Variability in Expression: Each condition can present differently in different individuals. Some people may display more pronounced ADHD symptoms, while others might exhibit stronger traits of Autism. This variability can lead to misdiagnosis or oversight.

  • Lack of Awareness: Many healthcare providers may not be fully aware of how ADHD and Autism can overlap. This lack of knowledge can lead to missed evaluations, especially in adults who have learned to mask their symptoms over the years.

  • Gender Differences: Research indicates that boys are diagnosed with ADHD more frequently than girls. Girls may exhibit symptoms differently, often internalizing them. This can lead to underdiagnosis or misdiagnosis in females, as ADHD may be overlooked in favor of autism or another condition.

  • Age Factors: Younger children might be diagnosed with one condition without considering the possibility of the other. As children grow, the presentation of their symptoms can change, sometimes revealing traits of both conditions that were previously unnoticed.

The Importance of Getting Evaluated

If you or someone you know shows signs of ADHD or Autism, it’s important to get a thorough evaluation. A professional, such as a psychologist, psychiatrist, or neurodiversity-affirming clinician, can help determine if one or both conditions are present.

An ADHD and Autism evaluation typically includes:

  • Interviews: Talking to the individual and their family about their behaviors, experiences, and developmental history to get a comprehensive understanding.

  • Behavioral Observations: Professionals may observe how a person acts in different situations, noting behaviors that align with ADHD or Autistic traits.

  • Standardized Tests: These are questionnaires or assessments specifically designed to measure symptoms of both ADHD and Autism.

  • Direct Testing: In addition to interviews and questionnaires, direct testing may involve tasks that assess executive functioning, attention, memory, and problem-solving skills. For Autism, direct testing might also focus on social communication and flexibility through structured activities. These tests help gather objective data to confirm or rule out a diagnosis.

Getting an evaluation can provide a clearer picture of an individual’s strengths and challenges. This understanding is essential for developing effective strategies, accessing support systems, and advocating for necessary accommodations at work, school, or in daily life.

Image of 3 women laughing | Learn to recognize the importance of your neurodiverse traits with the help of an ADHD and Autism evaluation in Middlesex, NJ.

Why Being Neurodiversity Affirming Matters

When discussing ADHD and Autism, it’s essential to adopt a neurodiversity-affirming perspective. This approach recognizes that these conditions aren’t deficits or disorders to be "fixed." Instead, they represent natural variations in how people think, process information, and experience the world. By embracing neurodiversity, we honor the unique ways individuals contribute to society and enrich our communities.

For someone who has both ADHD and Autism, their experiences can include a complex blend of strengths and challenges. Understanding this dual experience requires compassion, curiosity, and a focus on what makes each person uniquely them.

The Strengths of Neurodiversity

  • Creativity and Energy: Many individuals with ADHD are dynamic thinkers who approach problems in innovative ways. Their enthusiasm and ability to think outside the box often inspire those around them.

  • Focus and Passion: Individuals with Autism frequently possess a remarkable ability to dive deeply into their interests. This focused passion can lead to exceptional knowledge and skills in specific areas.

  • Adaptability and Resilience: Navigating a world designed for neurotypical minds requires adaptability, resourcefulness, and persistence—traits that neurodivergent individuals often develop over time.

  • Unique Perspectives: Neurodivergent individuals often see connections others might miss, offering fresh viewpoints that can lead to groundbreaking ideas and solutions.

The Road to Understanding

Navigating life with both ADHD and Autism can be challenging, but it can also be incredibly rewarding. Many individuals develop unique coping strategies and find success in various areas, such as art, science, technology, and more. Understanding both conditions can help create an environment where neurodiverse individuals can thrive.

In conclusion, the possibility of being diagnosed with both ADHD and Autism is very real. Both conditions can coexist and bring a unique set of challenges and strengths. If you suspect you or someone you know may have ADHD, autism, or both, pursuing an ADHD and Autism assessment is crucial. An evaluation can lead to better understanding, support, and strategies that can make a big difference in daily life.

So, if you’re wondering about ADHD or Autism, don’t hesitate to reach out for help. Understanding these differences is the first step toward a brighter future for yourself or your loved one. Embrace neurodiversity, seek out the support you need, and remember that you are not alone on this journey!

Address Your Unique Neurodivergent Needs With ADHD and Autism Evaluations in Middlesex, NJ

Understand who you are by getting an ADHD and Autism evaluation! These evaluations can uncover the support you need, like accommodations for school and/or work, and personalized counseling. Don't wait - start your journey to personal growth with the help of True Reflections! Follow these three simple steps to get started:

  1. Request an appointment to set up an evaluation

  2. Begin meeting with a skilled neurodivergent affirming therapist

  3. Find support embracing your strengths!

Other Services Offered at True Reflections

At True Reflections Mental Health Services, I’m here to help you find your true self and help you overcome anything with therapy. So in addition to providing ADHD and Autism Assessments, I also offer Autism and Anxiety Therapy, ADHD and Anxiety Therapy, Trauma Therapy for ADHD and Autism, Affirming Therapy for those with ADHD, Affirming Therapy for those with Autism, and Prenatal and Postpartum Therapy. I also offer different treatment modalities such as Play Therapy, Sandtray Therapy, EMDR Therapy, DBT Therapy, and more. My services are offered in both Middlesex, NJ as well as online in the state of New Jersey. Check out my blog for more topics!


Janine Kelly, MSW, LCSW, C-NDAAP, ADHD-CCSP, ASDCS, PMH-C, RPT-S™, C-DBT, CBT-C, CCATP-CA, CATP is a neurodivergent psychotherapist and the Founder of True Reflections Mental Health Services in Middlesex, NJ. She provides support and Neurodiversity Affirming Comprehensive ADHD & Autism Evaluations to children, teens, and adults in-person and virtually in the state of New Jersey. Janine specializes in the diagnosis of ADHD & Autism in girls and women.

To request an ADHD & Autism Evaluation, please click below:

Image of neurodivergent affirming therapist Janine Kelly. Learn to embrace your traits with an ADHD and Autism assessment in Middlesex, NJ.
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