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Long COVID
Long COVID is a multi-system pattern after infection. We map immune, autonomic, mitochondrial, and toxic burden layers, then rebuild in a careful, paced sequence.
What you may be noticing
The infection ended, but you did not come back. Fatigue that worsens after effort, brain fog, a racing heart on standing, shortness of breath, changes in smell or taste, headaches, hair loss, digestive changes, and sleep disruption. Ordinary days now require planning and recovery time. Some tests have been normal, which can feel isolating.
Why it is rarely one thing
Long COVID is not one disease. Research describes several overlapping mechanisms, and different people show different combinations. That is why a single approach rarely helps everyone, and why a careful map of your pattern matters.
In my model, neuroinflammation has three main contributors: injury, infection, and toxic exposure. A virus can tip a body that was already carrying a full toxic burden bucket past its threshold, which may help explain why two people with the same infection recover so differently. This is a working clinical model, and it guides where I look.
Researchers are actively studying these mechanisms. Some are well supported, and others remain working hypotheses. I keep that line clear, and I build a plan from what your own exam and labs show.
One feature deserves special respect: post-exertional malaise, in which symptoms worsen a day or two after physical or mental effort. When it is present, pushing through makes things worse. Pacing is not weakness. It is physiology.
Patterns we look for
- Persistent immune activation and inflammation.
- Autonomic dysfunction, including POTS and orthostatic intolerance.
- Neuroinflammation and microglial priming.
- Mitochondrial dysfunction and reduced energy production.
- Reactivation of latent viruses such as Epstein-Barr virus (supported by research, still being defined).
- Possible persistence of viral material in tissues, and microclots affecting small vessel blood flow (areas of active research and debate).
- Mast cell activation and histamine excess.
- Gut microbiome disruption and intestinal permeability.
- Toxic burden that was present before the infection, including mold.
- Breathing pattern changes: upper chest breathing, low carbon dioxide tolerance, and air hunger.
- Smell loss from olfactory network injury.
How I evaluate it
I begin with your timeline: what you were carrying before the infection, and the order in which symptoms appeared. A comprehensive functional neurological exam then includes autonomic testing from lying to standing, breathing mechanics, eye movements, vestibular function, balance, and smell testing where relevant.
Functional labs may include a complete blood count, ferritin, inflammatory markers, Epstein-Barr virus panel, thyroid, vitamin D, B12, fasting insulin, histamine markers, coagulation markers when indicated, mycotoxin testing when exposure is possible, and comprehensive stool analysis. NeuroQuant volumetric MRI is considered when cognitive symptoms are significant or progressive.
New chest pain, severe shortness of breath, or signs of a blood clot need emergency care first.
How we address it
- Pace energy with care, respecting post-exertional malaise. Regulation comes before exertion.
- Calm the nervous system and open drainage pathways before any deeper detox work.
- Calm immune activation, mast cells, and inflammation.
- Retrain breathing with nasal breathing, carbon dioxide tolerance practice, and rib expansion, alongside autonomic support with hydration, electrolytes, and graded positional training.
- Restore mitochondrial function and rebalance the gut with targeted categories of support.
- Lower the toxic burden that may have primed the response.
- Rebuild brain networks with dosed neurological rehabilitation, including smell training when needed.
Recovery is not one event. It is a biological sequence, and the body can move through it.
Book your Comprehensive Functional Medicine Eval/Neurological Exam today to discover what the contributing root causes are that are underlying your health concerns.