09/03/2026
Is It Anxiety, ADHD, or Both? Why the Symptoms Can Look So Similar
Difficulty concentrating, procrastinating until the last possible second, forgetting things you swear you were going to remember, feeling overwhelmed by simple tasks, or lying awake because your brain refuses to shut off. Is it anxiety? ADHD? Stress? Or some combination of all three? The answer is not always obvious. Anxiety and ADHD are different conditions, but there is a surprising amount of overlap in how they can show up in everyday life. To make things even more complicated, it is also possible to have both. For children, teens, and adults who have spent years wondering why certain things seem harder for them than everyone else, understanding that overlap can be an important first step toward figuring out what is actually going on.
From the outside, ADHD and anxiety can look incredibly similar. Someone with ADHD might have difficulty focusing because their attention is constantly being pulled in different directions. Someone with anxiety might have difficulty focusing because their brain is busy running through worries, possible outcomes, or everything that could go wrong. Either way, the result might be unfinished work, missed details, procrastination, difficulty following conversations, forgetfulness, or feeling mentally scattered. Both ADHD and anxiety can also contribute to restlessness, sleep problems, irritability, emotional overwhelm, avoidance, and difficulty managing school, work, relationships, or everyday responsibilities. This is one reason Googling a list of symptoms at midnight does not always leave you with a very clear answer.
One of the biggest clues is often not what someone is doing, but why they are doing it. Take procrastination. Someone with anxiety might avoid starting an assignment because they are worried they will do it incorrectly, receive criticism, or fail. They may overthink where to begin or feel like they need to do it perfectly. Someone with ADHD may genuinely want to start that exact same assignment but struggle with task initiation, organization, time awareness, or sustaining attention long enough to get going. Both people can end up staring at an untouched assignment at 10 p.m. wondering why they could not just make themselves do it, but what got them there may be completely different.
The same thing can happen socially. Someone with social anxiety might struggle to follow a conversation because part of their brain is busy thinking, Did that sound stupid? Do they think I’m weird? What am I supposed to say next? Someone with ADHD might lose track of the conversation because their attention wandered, something else caught their attention, or they were concentrating so hard on not interrupting that they missed half of what the other person said. Again, the behavior can look almost identical from the outside while the internal experience is very different.
It can get even more confusing because ADHD itself can contribute to anxiety over time. Imagine repeatedly forgetting assignments, losing important things, running late, missing deadlines, or being told that you are not trying hard enough when you actually are. Eventually, you may start worrying about making another mistake. A child might become anxious about school because keeping up feels increasingly difficult. A teenager might become perfectionistic because they are terrified of forgetting something. An adult might obsessively check their calendar because they no longer trust themselves to remember appointments. The anxiety is real, but ADHD or executive functioning difficulties may also be contributing to the bigger picture.
The reverse can happen too. Anxiety can make someone look inattentive, forgetful, disorganized, or restless even when ADHD is not the underlying issue. When your brain is constantly scanning for potential problems, there is simply less mental space available for everything else. Chronic anxiety can interfere with concentration, memory, decision-making, organization, and the ability to stay present during conversations. Children experiencing anxiety also do not always walk into the kitchen and announce, “I’m feeling anxious.” Parents may see stomachaches before school, irritability, meltdowns, difficulty sleeping, constant reassurance seeking, perfectionism, refusing activities, or a sudden change in school performance instead.
And sometimes, the answer really is both. ADHD and anxiety can occur together, and when they do, they can create a frustrating cycle. Difficulty with organization, time management, or remembering responsibilities can create stressful situations. Anxiety about those situations can then make concentration and task initiation even harder. The person becomes overwhelmed, avoids the task, falls further behind, and becomes even more anxious. For some people, especially adults who were never diagnosed as children, this cycle can continue for years without anyone realizing exactly what is happening.
ADHD can also be easier to miss when someone does not fit the stereotypical picture of a hyperactive child who cannot sit still. Girls and women, in particular, may experience more inattentive symptoms, internal restlessness, forgetfulness, emotional dysregulation, or executive functioning difficulties that are less obvious to the people around them. Some people also become incredibly good at compensating. They may rely on perfectionism, constant reminders, rigid routines, overpreparing, or last-minute adrenaline to keep everything together. From the outside, they may look organized and successful. Internally, maintaining that appearance can be exhausting.
So how do you actually know whether it is ADHD, anxiety, or both? Usually, there is not one symptom that gives you the answer. A mental health professional may look at when symptoms began, where they occur, what seems to trigger them, how consistently they happen, and how much they interfere with everyday functioning. Developmental history is especially important when evaluating ADHD because ADHD symptoms begin during childhood, even when they were not recognized or diagnosed at the time. For children and teens, information from parents, teachers, school records, and other people who know the child well can also help create a clearer picture of what is happening across different environments.
Sometimes therapy is enough to begin identifying these patterns. In other situations, comprehensive psychological or diagnostic testing may be helpful, particularly when there are questions about ADHD, autism spectrum disorder, intellectual functioning, developmental concerns, or a more complicated diagnostic picture. The point of an evaluation is not simply to give someone another label. It is to understand why they are struggling so that the treatment, accommodations, and support they receive actually match what they need.
That matters because treatment for anxiety and ADHD is not necessarily the same. Therapy for anxiety may focus on anxious thought patterns, avoidance, coping skills, emotional regulation, and learning to tolerate uncertainty. ADHD treatment may involve executive functioning strategies, behavioral interventions, organizational systems, routines, environmental changes, and skills for managing attention, emotions, and task initiation. Medication may also be helpful for some people with ADHD, anxiety, or both, depending on their individual symptoms, medical history, and treatment needs. For children and teens, school support may also be an important part of the picture, including determining whether accommodations through a 504 Plan or services through an Individualized Education Program (IEP) may be appropriate.
If you have spent hours searching “ADHD vs anxiety,” “signs of ADHD in adults,” or “does my child have ADHD or anxiety,” you are definitely not the only one. Online information can be a useful starting point, but overlapping symptoms can make it difficult to figure everything out on your own. Sometimes having someone look at the whole picture makes things much clearer.
Brightside Behavioral Health provides mental health services for children, adolescents, adults, couples, and families, including individual therapy, medication management, comprehensive diagnostic and psychological evaluations, and support for families navigating IEPs and 504 Plans. Brightside offers in-person therapy in Johnston, Cranston, Warwick, and Riverside, Rhode Island, along with telehealth therapy throughout Rhode Island and Massachusetts. Comprehensive diagnostic assessments are available for children ages 2–18 and adults and can include evaluation for ADHD, autism spectrum disorder (ASD), intellectual disability, broader mental health concerns, and diagnostic clarification. Brightside also supports families in Rhode Island and Massachusetts who are navigating school accommodations, IEPs, and 504 Plans.
Whether the answer turns out to be anxiety, ADHD, both, or something else entirely, understanding what is actually happening can make it much easier to determine what comes next. You do not need to have the diagnosis figured out before asking for help. Sometimes figuring it out is part of the process.
