
Breaking Through the Fog: Effective Recovery Strategies for Long COVID Brain Fog
Reclaiming Mental Clarity After COVID-19
Have you ever walked into a room and forgotten why? Or found it difficult to follow a conversation or finish a sentence? For many Australians recovering from COVID-19, this frustrating cloudiness—commonly known as long covid brain fog—has become a stubborn part of daily life.
While the term may sound mild, COVID-19 brain fog can deeply impact thinking, memory, and everyday functioning. Fortunately, recovery is possible—and it doesn’t have to start with medication.
What Is Long COVID Brain Fog?
Long COVID brain fog refers to persistent cognitive symptoms following infection with SARS-CoV-2. It can affect people of all ages—even those with mild symptoms—and may include:
- Difficulty concentrating or sustaining attention
- Short-term memory lapses
- Slower thinking or problem-solving
- Mental fatigue or “mental effort crash” after tasks
- Trouble with word finding or following conversations
These symptoms often coexist with other long COVID symptoms like fatigue, disrupted sleep, or headaches. In some cases, they can linger for 6–12 months or longer.
🧠 Brain fog is not a medical diagnosis but is increasingly recognised as one of the most common and debilitating lingering symptoms of COVID-19. Studies show the virus that causes COVID-19 may affect brain cells and change how the brain functions.
Could It Be Something Else?
Yes—brain fog can also occur with:
- Chronic fatigue syndrome (ME/CFS)
- Depression or anxiety
- Fibromyalgia
- Autoimmune conditions
- Poor sleep or chronic stress
That’s why a comprehensive clinical assessment is essential—to rule out other causes and tailor support. Many patients with brain fog benefit from multidisciplinary care that considers the whole picture—not just one symptom.
What the Latest Research Says
- Around 30–50% of people with long COVID experience cognitive issues.
- Cognitive impairments may persist months after COVID-19 infection.
- Adults with lower education levels, higher depression scores, or severe COVID-19 may be at greater risk.
- Some studies suggest gender differences, though findings are mixed.
Researchers have found that infection with SARS-CoV-2 may cause inflammation in the brain, reduce brain volume, and disrupt communication between regions—especially those tied to memory, attention, and executive function.
A 2023 study supported by the National Institute of Allergy and Infectious Diseases observed that these neurocognitive symptoms can resemble those of mild cognitive impairment or even early neurological conditions. While not the same as dementia, the fog-like state can interfere with daily life just as significantly.

Science-Backed Strategies to Lift the Fog
1. Cognitive Rehabilitation and Brain Training
Think of your brain as a muscle—it improves with targeted, consistent training. Cognitive rehab is designed to challenge your brain and build resilience.
Therapy | What It Involves | Outcome |
---|---|---|
Computerised Training | 6–8 weeks of targeted activities | ↑ focus and memory |
Daily Cognitive Tasks | Structured therapy blocks | ↑ return to work (83%) |
Cognitive Aids | Planning tools, digital prompts | ↑ task independence |
These therapies are especially helpful for patients with long COVID who are managing cognitive dysfunction. Even in mild cognitive cases, they can restore everyday confidence and mental clarity.
2. Lifestyle Changes That Matter
- Pacing: Balance energy use; avoid burnout
- Sleep: Optimise quality and routine
- Movement: Gentle aerobic activity supports brain health
- Mindfulness: Lowers stress and improves focus
- Nutrition and Hydration: Fuels clearer thinking
These approaches aim to prevent brain fog from worsening and support sustained improvement.

Emerging Therapies Being Explored
Although not yet standard care, two therapies are being researched for cognitive symptoms in long COVID patients:
- Repetitive Transcranial Magnetic Stimulation (rTMS)
A non-invasive stimulation method aimed at improving attention and executive function. - Hyperbaric Oxygen Therapy (HBOT)
Delivers concentrated oxygen to the body, with early findings suggesting improved blood flow and recovery in some post-viral cases.
While research is ongoing, both are part of larger studies investigating how to prevent brain fog or reverse its impact.

Occupational Therapy: Personalised Support That Works
At Occupational Therapy Brisbane, we provide comprehensive support for people who have had COVID-19 and are now navigating cognitive impairment or neurologic symptoms.
What We Offer:
- Cognitive Testing for COVID-19’s Brain Fog Symptoms
We use standardised tools like Creyos to identify cognitive deficits and track recovery. - Tailored Therapy Plans
Interventions target memory, planning, and daily routines using neurorehabilitation principles. - Technology & Feedback Loops
Wearables and digital tools let us adjust therapy in real time and celebrate progress. - Support for Families and Caregivers
Because recovery isn’t just about the individual—it’s a shared journey.
Frequently Asked Questions
Can even a mild case of COVID-19 cause brain fog?
Yes. Even mild symptoms can lead to persistent symptoms, especially in those at higher risk.
Is brain fog a sign of another condition?
Sometimes. That’s why cognitive testing is crucial—to rule out other causes such as dementia, mental health conditions, or brain injury.
How long does it take to recover?
Recovery varies, but early support—ideally within 3–6 months of the initial infection—can speed progress.
Will I ever think clearly again?
Yes. Many clients regain substantial cognitive function with proper care and pacing.
Your Path Forward
Brain fog may be persistent—but it’s rarely permanent. With the right support, your brain can adapt, heal, and improve.
Here’s how to begin:
- Schedule a Cognitive Assessment
Understand your specific challenges and strengths. - Start Your Individualised Plan
Evidence-based, goal-oriented, and tailored to your real life. - Track Results
Watch your clarity improve month by month.
Ready to Think Clearly Again?
Don’t let brain fog hold you back from the life you love.
If you’re feeling stuck, scattered, or unlike yourself after COVID-19, the first step is understanding what’s really going on—and getting the right support.
👉 Book your personalised Cognitive Health Assessment today and take back control of your clarity, confidence, and daily routines.
📞 Prefer to speak with someone directly? Call our friendly team on 1300 783 200 — we’re here to help.
Let’s lift the fog—together.