Assessment also considers other causes
The timing of symptoms and their effect on daily life matter. A clinician also needs to consider other or newly developed conditions, including those requiring urgent care. Not every symptom after an infection should automatically be attributed to long COVID.
Bring previous investigations, medicines and a description of what worsens or eases symptoms. Tests and referrals should follow the clinical presentation.
Research is not the same as a ready-to-use test
Immune changes, circulation, autonomic regulation and energy metabolism are examples of research areas. They do not show that all long COVID is caused by the same mitochondrial injury.
Commercial panels or supplement protocols cannot generally establish the mechanism or guarantee recovery. Any proposed test needs a clear question and an explanation of how its result could affect care.
Activity and safe follow-up
Some people experience post-exertional symptom exacerbation. Describe delayed reactions to physical or cognitive activity as well as immediate symptoms. Rehabilitation and activity advice need to be adapted to symptoms and function, with follow-up of the response.
New severe breathlessness, chest pain or sudden neurological symptoms need urgent care. For persistent stable symptoms, a coordinated assessment can help prioritise symptom management, support and any specialist referral.
Sources and further reading
- NICE NG188 — Managing the long-term effects of COVID-19
- NICE NG206 — ME/CFS: diagnosis and management
This is general information and does not replace an individual medical assessment.