Physician-Led Care for Fatigue & Brain Fog After Infection

What this program for Fatigue & Brain Fog after Infection is designed to do

The value of the program lies in medical phenotyping and a clear therapeutic pathway for fatigue, brain fog, and post‑ or long‑COVID. This is not about “pushing through”, but about crash prevention. Here, pacing is an active therapy – not avoidance, but energy management.

The energy envelope as energy manager

You have a limited energy budget. ZELLENKRAFT helps you manage it so that you do not end the day in “energy debt” – because debt is the crash.

Many people are not aware of this, but brain fog is more pronounced when standing. Due to gravity, blood “pools” in the legs, so the brain is temporarily not adequately supplied. This can lead to brain fog, dizziness, and tachycardia. That is why measures such as hydration/salt (when appropriate), compression, and trigger control are logical and often effective.

Sleep screening (apnoea/RLS) and stabilisation are crucial to reduce hyperarousal, because sleep is when the system “repairs” itself.

Deficiencies (e.g. iron, B12, thyroid) should be identified through laboratory testing and the respective function restored.

Many people have mixed constellations, so we combine treatment pathways – but based on logic and measurement, not by chance.

If this sounds familiar, you’re in the right place

  • Fatigue that does not improve with sleep

  • Brain fog (slow thinking/word‑finding difficulties/increased error rate)

  • Crashes after exertion (PEM, often delayed by 12–48 hours)

  • Symptoms when standing: dizziness/palpitations/brain fog

  • Standard tests “unremarkable”, but everyday life/work do not return

Quality gate – when the program fits

ZELLENKRAFT is typically appropriate for fatigue, brain fog, or exercise intolerance after infections when standard assessments do not sufficiently explain the loss of function.

Before or in parallel, red flags and important differential diagnoses need to be considered – for example cardio‑pulmonary causes, pronounced neurological symptoms, relevant sleep disorders, anaemia, thyroid disease, or other clear primary drivers.

What the program is (and what it is not)

Selective modules (e.g. infusions for plausible deficits) are used to stabilise the system biologically so that you can actually implement pacing, sleep strategies, and everyday management consistently.

Apheresis (e.g. Inuspherese): in individual cases, strictly indicated, coordinated, with clear treatment goals – but not the standard.

Fatigue often cuts across specialties. ZELLENKRAFT therefore works indication‑driven with co‑management:

  • Internal medicine/cardiology/pulmonology (for chest symptoms/dyspnoea/orthostatic problems)

  • Rheumatology/immunology (for matching inflammatory patterns)

  • Dietetics (energy/protein/iron, especially with PEM/under‑supply)

  • Psychology/psychotherapy as support for anxiety/frustration/sleep – not to “blame” the patient, but to stabilise the system

How the program works

  1. Medical indication check
    Red flags, timeline, basic labs, and initial phenotyping come first. The goal is a serious, structured starting pathway instead of a random collection of measures.

  2. Intensive start cycle (time‑limited)
    Depending on the phenotype, crash prevention, orthostatic management, sleep stabilisation, and correction of deficits are prioritised first.

Medical indication check: red flags, timeline, basic labs, phenotyping and, if appropriate, specialised laboratory diagnostics (e.g. IMD Berlin).
Start cycle: stabilisation (crash prevention/orthostasis/sleep/deficits), and – if indicated – infusions and/or apheresis (Inuspherese) and/or high‑dose ozone therapy and/or laser therapy.
Progression: symptom‑contingent build‑up + supplements + re‑check + decision points (continue vs. co‑management).

  1. Progression, follow‑up, and decision

Progression is symptom‑contingent, with re‑checks and a clear decision as to whether the chosen pathway is effective or whether co‑management and/or further diagnostics are needed.

What we measure (outcome instead of gut feeling)

  • PROMIS Fatigue / FSS + SF‑12

  • DSQ‑PEM + crash log

  • Supine‑to‑standing test (HR/BP) / NASA lean test

  • Sleep screening

  • Everyday/work milestones

  • Special laboratory parameters such as ATP, GPCR, TNF‑alpha, histamine, interleukins, etc.

These measurements are your safety rail: we do not change pathways based on opinion, but based on output. Phenotyping plus outcomes come before any escalation of measures.

Common Questions

Is fatigue just “low energy”?

No. It is a true functional limitation that often includes cognitive and orthostatic components.

What is PEM?

A delayed worsening after exertion, often by 12–48 hours.

Are microclots, endothelial dysfunction or apheresis standard?

No. They may be discussed selectively, but they do not replace proper phenotyping.

Why can classic training be risky in PEM?

Because without crash logic, even well-meant activation can worsen the course.

When does this need urgent review?

With chest pain, shortness of breath, syncope, focal neurological symptoms or other red flags.

This page is for information only and does not replace a personal medical examination. Red flags require prompt medical assessment.

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