Anxiety After a Concussion: Why the Cause Matters More Than the Label

Anxiety after a concussion is not a single condition. It can develop through different pathways, feel different from person to person, and require different approaches to care. Below are several patterns I see in clinical practice. They are examples, not a complete list, and many patients experience more than one at the same time.

What they have in common is that when anxiety is treated as one generic problem, important contributors to persistent symptoms can go unrecognized. Persistent symptoms do not automatically mean your brain is permanently damaged.

First, a problem nobody explains to patients

Anxiety and concussion can produce many of the same symptoms. Both may be associated with headaches, difficulty concentrating, fatigue, disrupted sleep, irritability, light sensitivity and dizziness. This overlap can make it difficult to determine what is contributing to a patient's symptoms based on a checklist alone.

In a study of adolescents and young adults presenting to a concussion clinic, anxiety was associated with a broad range of physical, cognitive and emotional symptoms. A separate study of nearly 38,000 adolescent student athletes completing preseason baseline testing, none of whom had a recent concussion, found that 82.7% of those classified as having high anxiety met ICD-10 symptom criteria for at least a mild form of postconcussional syndrome, compared with 18.4% of those classified as having low anxiety.

In other words, uninjured adolescents with anxiety can look very much like concussion patients on a symptom scale. This matters because symptom checklists measure what someone is experiencing, not necessarily why they are experiencing it. A symptom score that remains elevated at week eight is not, by itself, proof that the brain is continuing to deteriorate. It is an indication that symptoms remain and that their underlying contributors need to be evaluated.

The distinction is important. Symptoms can reflect the effects of the original injury, pre-existing conditions, psychological responses, disrupted sleep, vestibular dysfunction or a combination of these factors. The goal is not to dismiss symptoms as anxiety. It is to understand what is contributing to them.

When you were anxious before this happened

For some people, the story begins before the injury.

Pre-existing anxiety can influence how symptoms are experienced, how a person responds to uncertainty and how recovery progresses. In a retrospective study of 637 children and adolescents presenting to three specialty concussion clinics, approximately 24% had a history of pre-existing anxiety. Those with anxiety experienced greater concussion-related symptom burden and were more likely to have a prolonged recovery. The study reported a median time to symptom recovery of 86 days in the anxiety group, compared with 36 days in those without pre-existing anxiety. These findings demonstrate an association between diagnosed pre-existing anxiety and recovery outcomes in this clinical population. They do not establish that anxiety alone caused the longer recovery, nor do they mean that everyone with an anxiety history will have a prolonged recovery.

It is also important to distinguish a diagnosed anxiety disorder from ordinary stress or elevated anxiety on a questionnaire. These are not interchangeable, and studies that measure them in different ways may produce different findings. When I take a clinical history, I want to understand whether anxiety was present before the injury, whether it required treatment, how it affected daily functioning and whether the patient feels it has changed since the concussion. That context can help guide treatment while addressing the other factors contributing to recovery.

When the way you got hurt was terrifying

Concussion care has historically been closely associated with sports medicine. In organized sports, athletes may have access to athletic trainers, established injury protocols and medical professionals who can help guide their recovery. Many people, however, sustain concussions through motor vehicle accidents, falls, workplace injuries and assaults. These events can involve substantial fear, uncertainty or a perceived threat to personal safety.

In a study of 136 adolescents presenting to a specialty concussion clinic, my colleagues and I compared patients with sport-related and non-sport-related concussions. Those with non-sport-related injuries had higher initial anxiety and concussion symptom scores. They also differed in their clinical presentation and circumstances surrounding their injuries. These findings highlight that the context of an injury may be relevant to how patients present for care. They do not establish that the event itself caused the differences, and the results from a specialty-clinic sample may not represent all adolescents who sustain concussions.

The psychological effects of a traumatic event can also persist alongside physical symptoms. In the TRACK-TBI study, which followed adults treated at trauma centers for mild traumatic brain injury, approximately 21% of participants with a mild TBI met the study's criteria for probable PTSD and/or major depression at six months, compared with approximately 12% of participants with orthopedic injuries that did not involve the head. A history of mental health problems and injuries resulting from assault or violence were among the factors associated with an increased risk of PTSD.⁵ These findings are particularly relevant for people who continue to experience fear, intrusive memories, avoidance, hypervigilance or difficulty sleeping after an injury. If you find yourself avoiding the intersection where an accident happened, feeling constantly on edge or reliving the event, these symptoms may warrant an evaluation for a trauma-related condition.

They should not automatically be attributed to the concussion itself. Trauma-related symptoms can coexist with concussion symptoms, and identifying them may open the door to specific treatments, including trauma-focused psychotherapy when clinically appropriate.

When your balance system is contributing to anxiety

Your vestibular system, which includes structures in the inner ear and their connections throughout the brain, plays an important role in balance, spatial orientation and stabilizing vision during movement. It also interacts with neural systems involved in attention, emotional regulation and threat processing. A concussion can disrupt vestibular and visual functioning, sometimes leading to persistent dizziness, unsteadiness, visual motion sensitivity or difficulty tolerating movement. For some people, the symptoms are not necessarily a sensation that the room is spinning. Instead, they may experience a persistent sense of imbalance, disorientation or discomfort in environments that demand substantial visual and postural processing.

Grocery store aisles. Scrolling your phone. Driving on busy roads. Crowded restaurants. Fluorescent-lit offices. These environments can become increasingly difficult to tolerate. When a person repeatedly experiences dizziness or discomfort in certain situations, it is understandable that they may begin anticipating those symptoms. They may become more vigilant about their balance, avoid activities that previously felt routine or worry about losing control in public. That anticipation can contribute to anxiety, which may then further increase attention to symptoms and distress. This does not mean that vestibular dysfunction is always the cause of anxiety, or that every person with dizziness has a vestibular injury. Anxiety, visual dysfunction, migraine, autonomic symptoms and other factors can overlap and influence one another.

When your life fell apart while you waited

This is a pattern I frequently encounter in clinical practice, although it has received less attention as a distinct clinical presentation. There may be no significant psychiatric history, no major traumatic event and no obvious vestibular impairment. Instead, a person who initially expected to recover within a couple of weeks finds themselves still struggling six or eight weeks later. The anxiety may develop in response to everything that has changed.

Missed work. Academic difficulties. Lost income. Family responsibilities. Insurance complications. A sport, career or identity that is suddenly on hold. And a medical system that may have provided an initial recovery estimate without a clear plan for what happens if symptoms persist. Over time, uncertainty itself can become a significant source of distress. This does not mean that symptoms are imagined or that the original injury is no longer relevant. It means that the factors maintaining symptoms may change over time.

Research has identified associations between post-injury anxiety and greater symptom burden. However, these findings do not establish that anxiety is always the primary driver of prolonged recovery or that it is more influential than pre-existing anxiety in every patient.

And plenty of others

Some patients become anxious specifically about sustaining another concussion or the possibility of long-term consequences. Others fear returning to the field, the road or the workplace where their injury occurred. Some patients experience anxiety related to changes in their independence, family relationships or ability to fulfill their usual responsibilities. Others face significant uncertainty associated with an insurance claim, legal proceedings or financial hardship.

There are also patients whose anxiety is associated with other conditions, such as migraine, sleep disturbances, chronic pain or depression, which may coexist with concussion-related symptoms. Each of these circumstances can create a different clinical picture. And importantly, these patterns are not mutually exclusive. A patient may have pre-existing anxiety, experience a traumatic injury and develop vestibular symptoms that subsequently contribute to further distress. The most relevant contributor can also change throughout recovery.

What a specialty evaluation actually does

A specialty evaluation goes beyond confirming that you are anxious or that you continue to have symptoms. It aims to understand what is generating those symptoms, which factors are contributing to them and what can be done to improve functioning. The purpose is to develop an individualized understanding of the patient's presentation and determine which interventions, referrals or additional assessments may be appropriate. Recovery is not always linear, and persistent symptoms deserve a careful assessment rather than assumptions about their cause. The fear surrounding concussion can itself become an important part of a patient's experience. When symptoms persist beyond what someone expected, it is understandable to worry that the injury has caused permanent damage. But persistent symptoms alone do not establish permanent brain damage, and they do not mean that meaningful improvement is no longer possible.

You are not weak for experiencing anxiety after a concussion. You are not necessarily facing a permanent condition because your recovery has taken longer than expected. You deserve an evaluation that looks at the whole picture, recognizes the different factors that may be contributing to your symptoms and provides a plan based on what you actually need. The question is not simply whether you are anxious after a concussion. It is what is contributing to that anxiety, how it interacts with your other symptoms and what can be done to help you recover.

The Patel Concussion Institute provides comprehensive, multi-domain concussion evaluation and individualized treatment via telehealth in most states, for patients whose recovery has not followed the expected course.

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This article is intended for general education and does not substitute for individualized medical advice. Anyone with concerning symptoms after a head injury should be evaluated by a qualified healthcare professional.

References

1. Iverson GL, Greenberg J, Cook NE. Anxiety is associated with diverse physical and cognitive symptoms in youth presenting to a multidisciplinary concussion clinic. Front Neurol. 2021;12:811462. doi:10.3389/fneur.2021.811462

2. Champigny CM, Rawana J, Iverson GL, Maxwell B, Berkner PD, Wojtowicz M. Influence of anxiety on baseline cognitive testing and symptom reporting in adolescent student athletes. J Neurotrauma. 2020;37(24):2632-2638. doi:10.1089/neu.2020.7079

3. Martin AK, Petersen AJ, Sesma HW, et al. Concussion symptomology and recovery in children and adolescents with pre-existing anxiety. J Neurol Neurosurg Psychiatry. 2020;91(10):1060-1066. doi:10.1136/jnnp-2020-323137

4. Patel S, Zynda AJ, Burley C, et al. Comparison of preinjury and clinical characteristics between adolescents with sport-related concussion and non-sport-related concussion presenting to a specialty concussion clinic. Am J Phys Med Rehabil. 2026;105(5):412-419. doi:10.1097/PHM.0000000000002898

5. Stein MB, Jain S, Giacino JT, et al; TRACK-TBI Investigators. Risk of posttraumatic stress disorder and major depression in civilian patients after mild traumatic brain injury: a TRACK-TBI study. JAMA Psychiatry. 2019;76(3):249-258. doi:10.1001/jamapsychiatry.2018.4288

About the author:

Shan Patel, PsyD, is a neuropsychologist and concussion specialist who completed his fellowship through the UPMC Sports Medicine Concussion Program. He is the Owner and CEO of the Patel Concussion Institute (PCI), a telehealth-based practice serving patients nationally via PSYPACT, and serves as Clinical Director of the University Orthopedic Care, Concussion Program, and Integrative Behavioral Health Program, overseeing operations across 14 hospital-based clinics in Florida.