Why have I never recovered since that virus?
Not a diagnosis: a head start. These are the three drivers most worth checking first, based on what the evidence says gets missed most often.
Pacing beats pushing
Crash-after-exertion means the push-through strategy backfires. Pacing has the evidence.
Rule out the treatable
Iron, B12, thyroid and D can crash after illness; treatable fraction of the picture.
Track, don’t guess
An honest energy journal finds your envelope faster than any protocol.
Ferritin, B12, TSH, vitamin D, full blood count
1. Start a two-minute note so the pattern becomes visible.
2. Take the test list above with you so you can explain the pattern clearly.
3. Read the evidence: Long COVID in the UK: How to Get Proper Help When the System.
Education, not diagnosis, and never a replacement for your GP or pharmacist. Reference ranges and guidance vary; sudden, severe or worsening symptoms need 111, or 999 in an emergency. By Hussain Sharifi · independent, affiliate-free health research.