Understanding AuDHD: The Intersection of Autism and ADHD
When individuals finally receive a neurodevelopmental diagnosis that accurately reflects their unique strengths and challenges, it can be a life-changing moment. However, for those with both autism and attention-deficit hyperactivity disorder (ADHD), commonly referred to as AuDHD, obtaining the correct diagnosis can be complex and challenging.
AuDHD is a term used to describe individuals who experience traits from both autism and ADHD. These conditions often interact in ways that can be confusing or contradictory, making it difficult to fit into one category or the other. Sometimes, the characteristics of autism and ADHD may seem to oppose each other, while at other times they may intensify certain difficulties. This complexity can lead to delays in diagnosis and access to appropriate support.
What Are Autism and ADHD?
Autism is a neurodevelopmental condition that affects social communication and interaction. Autistic individuals often have heightened sensory sensitivities and a strong preference for routine and structure. It is estimated that around 1-2% of children and adults are autistic.
ADHD, on the other hand, impacts an individual’s ability to focus, sustain attention, and manage impulsivity or hyperactivity. Approximately 5–8% of children and 3% of adults have ADHD. Interestingly, between 30% to 50% of autistic individuals also have ADHD. Despite the high rate of co-occurrence, autism and ADHD could only be diagnosed together starting in 2013, when the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) was updated.
Diagnosing AuDHD: Common Challenges
Autism is typically diagnosed at an earlier age than ADHD, especially in childhood. This is because social difficulties, which are common in autism, often become apparent during preschool years. In contrast, ADHD traits may not become evident until school age, when the need for sustained attention becomes more pronounced.
Some individuals may mask their autistic traits using various strategies, such as learning how to socialize through scripts, copying others, or hiding their differences. In some cases, ADHD medication can reveal underlying autistic traits that were previously overshadowed by ADHD symptoms. For example, after taking ADHD medication, some people may find themselves preferring structured environments, which can highlight their autistic tendencies.
Similarly, ADHD medication might reduce impulsivity, revealing a deeper introversion or a preference for solitude that was previously masked by extroverted behaviors.
In recent years, many individuals with one existing diagnosis have discovered information about the other condition through social media and realized they may have AuDHD. This has led to increased awareness and understanding of the intersection between autism and ADHD.
Social Challenges for AuDHD Individuals
Maintaining friendships and engaging in social interactions can be particularly challenging for individuals with AuDHD. For autistic individuals, social interactions can be draining and overwhelming due to difficulties in interpreting social cues and non-verbal signals. Meanwhile, ADHD can make it hard to organize social events, stay in touch with friends, and maintain consistent communication.
Attention difficulties associated with ADHD can also make it harder to focus on conversations and remember what was said. Hyperactivity and impulsivity may lead to interrupting others or being overly talkative, which can further complicate social interactions.
When these challenges combine, individuals with AuDHD may experience more frequent “social mistakes” and feel isolated or misunderstood.
Repetitive Behaviors and Movement
Repetitive behaviors, known as stims, are common in autism and serve as a way to regulate emotions or express them through movements or sounds. These can include humming, rocking, or finger flicking. In ADHD, hyperactivity often involves fidgeting and an inability to remain still.
For individuals with AuDHD, the combination of stims and fidgeting can result in more noticeable and frequent movements, which may draw attention or cause discomfort in certain settings.
Contradictory Traits and Internal Conflict
The traits of autism and ADHD can sometimes pull individuals in different directions, leading to internal frustration. For example, autistic individuals often value order, systems, and organization, while ADHD traits involve difficulty maintaining organization. This can create a sense of internal conflict, where someone wants to be organized but struggles to maintain it.
Special interests are another area where autism and ADHD differ. Autistic individuals often develop long-standing, focused interests in specific subjects. In contrast, ADHD may lead to seeking novelty and quickly losing interest in something once it becomes unstimulating. This can result in buying new items for a hobby but never actually using them.
For individuals with AuDHD, special interests may be intense but short-lived, as the ADHD tendency to seek novelty can override the autistic desire for depth and consistency.
Routine is another area of tension. Autism often requires certainty and predictability, while ADHD values spontaneity and change. As a result, individuals with AuDHD may follow routines due to anxiety about uncertainty, even if they feel bored or dissatisfied.
Strengths of AuDHD
Despite the challenges, many individuals with AuDHD possess unique strengths that can be leveraged effectively. Late-diagnosed individuals often demonstrate high intelligence and have developed sophisticated compensation strategies to manage their difficulties. These strategies allow them to thrive in various aspects of life.
Strengths associated with autism include deep focus, attention to detail, and expertise in specific areas. ADHD-related strengths may include creativity, problem-solving abilities, and the capacity to think outside the box. Together, these strengths can help individuals with AuDHD excel in diverse environments.
Knowing one has AuDHD can lead to greater self-acceptance and understanding, replacing years of self-criticism with a more positive and empowered outlook. This awareness also opens the door to accessing tailored treatments and supports, such as ADHD medication, neuro-affirming education, therapy, occupational therapy, ADHD coaching, and workplace or academic accommodations.
Tamara May is a clinical psychologist in private practice.
