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What Are the Key Signs of Anxiety in Someone with ADHD? 

Recognising anxiety signs in ADHD can be challenging, as both conditions often share similar symptoms. ADHD is characterised by inattention, impulsivity, and hyperactivity, while anxiety often manifests as excessive worry, fear, and physical restlessness. Understanding the symptom recognition process is crucial for accurate diagnosis and effective treatment. By identifying the behavioural indicators of anxiety in individuals with ADHD, clinicians and caregivers can provide the appropriate support to manage both conditions. 

When ADHD and anxiety occur together, they can amplify each other’s symptoms, leading to increased emotional and behavioural challenges. Anxiety may be overlooked or mistaken for ADHD symptoms, which is why it’s important to understand how anxiety presents itself in people with ADHD.

Key Signs of Anxiety in Someone with ADHD 

Here’s a look at the anxiety signs in ADHD and how to identify them: 

Excessive Worrying  

While people with ADHD may appear distractible or forgetful, excessive worrying can be a sign of anxiety. Individuals with anxiety often ruminate over potential mistakes, future outcomes, or everyday situations. If these worries persist and become overwhelming, they may exacerbate ADHD symptoms, such as difficulty concentrating or feeling restless. 

Increased Restlessness  

Both ADHD and anxiety can cause restlessness, but the underlying causes differ. In ADHD, restlessness is often a result of hyperactivity, while anxiety-driven restlessness occurs due to nervous energy and a heightened state of alertness. Individuals with anxiety may experience an inability to relax, which can look similar to the hyperactivity associated with ADHD, but it’s linked to a fear response rather than a lack of impulse control. 

Irritability and Frustration  

While irritability is common in both ADHD and anxiety, it can be a clearer sign of anxiety when it’s linked to feelings of being overwhelmed or anticipating negative outcomes. People with anxiety may become frustrated more easily, especially when things don’t go as planned. This frustration can intensify ADHD symptoms, such as impulsivity or emotional outbursts. 

Avoidance Behaviour  

Anxiety often leads to avoidance, particularly of situations that are perceived as stressful or overwhelming. While people with ADHD may struggle with organisation or completing tasks, those with anxiety may actively avoid situations due to fear of failure, judgment, or making mistakes. This avoidance can interfere with academic, social, or work-related tasks. 

Sleep Disturbances  

Anxiety can also cause sleep problems, such as trouble falling asleep or staying asleep, due to an overactive mind. Although ADHD can lead to sleep issues because of hyperactivity or difficulty winding down, anxiety often causes sleep disturbances due to persistent worry or fear. This can lead to fatigue, which worsens both ADHD and anxiety symptoms. 

Importance of Identifying Anxiety in ADHD 

Recognising anxiety signs in ADHD is crucial for managing both conditions effectively. Since the symptoms of ADHD and anxiety can overlap, it’s essential to consider the role anxiety may play in worsening ADHD behaviours. Early diagnosis and intervention can help manage both conditions simultaneously, improving overall well-being and daily functioning. 

For more information on symptom recognition and how to manage behavioural indicators of anxiety in ADHD, visit ADHD Certify for personalised consultations. For a deeper dive into anxiety management strategies, read our complete guide to Anxiety disorders.

Dr. Rebecca Fernandez, MBBS, author and a reviewer for my patient advice - mypatientadvice.co.uk

Dr. Rebecca Fernandez, MBBS

Author

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy.