YOU’RE NOT IMAGINING IT. LONG COVID IS REAL, COMPLEX, AND STILL POORLY UNDERSTOOD. WE HELP MAKE SENSE OF IT.
Your tests came back normal. Your doctor may have run out of answers. You are still not well.
LongCovidJourney explains what current research tells us and what it does not yet know in clear, accessible language, combining evidence-informed research with lived experience.
Patient-led. Evidence-informed. Independent. No ads. Regularly updated.
What are you dealing with?
Whether you’re newly diagnosed, still searching for answers, or supporting someone you love, start with what is affecting you most or read our FAQ
| Card | Short label |
| 🧠 Brain fog | Can’t think clearly. Can’t find words. Why. |
| ⚡ Fatigue and crashes | More than tiredness. Understanding PEM. |
| 💓 Heart rate and dizziness | Why standing up feels impossible. |
| 😮💨 Breathlessness | Normal oxygen. Still struggling. |
| 🌡️ Heat intolerance | Why warm days feel overwhelming. |
| 😴 Sleep problems | Exhausted but unable to rest. |
| 💊 Pain | Flu-like. Widespread. Real. |
| 🔋 Energy management | Learning to pace without giving up. |
| 🧬 Immune system | Why it can feel overactive and exhausted. |
| 📋 Normal tests, real symptoms | Why standard tests may not tell the whole story. |
| 📅 Good days and bad days | Why symptoms fluctuate. |
| 💬 Emotional wellbeing | Support can help. That doesn’t make Long COVID psychological. |
What Is Long COVID?
Long COVID is a complex, multi-system condition that can continue after a SARS-CoV-2 infection. It can affect the nervous, immune, cardiovascular and other systems, and symptoms can vary considerably from one person to another.
The World Health Organization describes post-COVID-19 condition as symptoms that usually begin within three months of infection, last for at least two months and cannot be explained by another diagnosis.
There is unlikely to be one single cause of Long COVID. Researchers are investigating several overlapping biological mechanisms that may contribute to the condition. Evidence is stronger for some than others, and they may not occur in everyone. These include:
- Immune dysregulation and persistent inflammation
- Autonomic nervous system dysfunction
- Changes in cellular energy metabolism
- Microvascular, vascular and endothelial dysfunction
- Viral persistence or viral components in some people
- Mast-cell and histamine-related pathways under investigation
Quick answers about Long Covid
Why are my tests normal?
Routine tests measure specific things. Some abnormalities being investigated in Long COVID are not assessed by standard blood tests or scans. A normal result means that particular test did not identify the abnormality it was designed to detect. It does not mean your symptoms are imaginary.
Read more: Normal tests, real symptoms
What is PEM?
Post-exertional malaise (PEM) is a worsening of symptoms after physical, cognitive, emotional or social exertion. The worsening can be delayed by hours or sometimes longer and may last for days. PEM is different from ordinary tiredness.
Read more: Fatigue and crashes
Is Long Covid just anxiety?
No. Anxiety and low mood can sit alongside any long illness, but they do not explain Long Covid. Support can help, and that does not make Long Covid psychological.
Read more: Emotional wellbeing
Fluctuation is part of the condition.
Long COVID often changes from hour to hour and day to day. Better days do not necessarily mean recovery, and setbacks do not necessarily mean permanent deterioration. Variability is one of the defining features of the condition. Pushing through isn’t always the answer. Pacing is not giving up. It is learning to work with the energy you have.
How we fit alongside your doctor
We’re not a clinic, and we don’t replace medical care. While organisations like the NHS and WHO provide essential medical guidance, LongCovidJourney explores the questions that official guidance can’t yet fully answer.
We make emerging research understandable, separate evidence from theory, and help you ask better questions at your next appointment.
Not instead of medical care. Better informed alongside it.
Latest Articles & Insights
Explore our latest Long COVID research, symptom guides and practical insights. Our articles draw on peer-reviewed research, clinical guidance and lived experience, with human editorial review before publication. Read how we work
Can Long Covid Be Cured? What We Know So Far
Is there a cure for Long Covid? This honest, evidence-based guide explains why there is currently no established cure, how recovery differs between people, what treatments may help symptoms, and why hope must be balanced with evidence.
Keep reading
Can Ultrasound or Vagus Nerve Stimulation Help Long Covid?
Can stimulating the vagus nerve improve Long Covid? We explain what ultrasound scans reveal, what electrical ear stimulation trials found, and whether devices are worth considering.
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Therapy’s Role in Long Covid
Clarity about therapy’s role in Long Covid is crucial to prevent harm. While therapy cannot cure or physically heal, it can aid in emotional adjustment and identity navigation. Approaches should not mistakenly imply recovery responsibility lies with patients. Ethical practice demands respecting patient choices and understanding the limitations of psychological support.
Keep reading
Tinnitus in Long Covid: What Helps, and How to Use Sound Safely
Ringing, buzzing or hissing after COVID? Explore what research says about tinnitus in Long Covid, how to use sound safely, what treatments may help and when to seek medical advice.
Keep reading
Why Am I So Cold With Long COVID? Cold Intolerance Explained
Cold intolerance can occur with Long COVID, leaving some people unusually sensitive to cold or struggling with freezing hands and feet. Here’s what research suggests about temperature regulation, dysautonomia and other possible causes.
Keep reading
Browse All Long COVID Articles
Disclaimer
This content is for informational purposes only and does not replace professional medical advice. Always consult a qualified healthcare professional for diagnosis and treatment.
Who Is LongCovidJourney?
LongCovidJourney was created by people who know what it is like to live with Long COVID and to search for answers that are often difficult to find. We bring together research and lived experience to make a complex illness easier to understand. Who we are