For your situation
How to track post-viral symptoms without making yourself worse
Post-viral symptoms often follow a delayed and cyclical rhythm — what you do today may show up two days later. Log lightly, watch for delayed reactions, and protect against post-exertional crashes by tracking effort, not just symptoms.
Why post-viral tracking is different
Post-viral conditions don't behave like one-off symptoms. The link between cause and effect is often delayed by 24–72 hours, and pushing too hard on a good day can quietly create a bad week. Tracking should help you see those delayed loops — not turn into another thing that costs you energy.
The minimum viable log
Keep it tiny. The whole point is to make tracking cost you almost nothing. Four short fields is plenty. Anything heavier and the habit collapses on the days you most need it.
- Symptom intensity today (1–5).
- Effort today (1–5) — how much physical or cognitive output you spent.
- Sleep quality last night (1–5).
- One short note about anything unusual.
Watch for delayed effects, not same-day ones
On day 14, line up your effort scores against your symptom scores 24, 48, and 72 hours later. The pattern is often clearer at +48 hours than on the same day. This is the single most important difference from ordinary symptom tracking.
Pacing — the practical principle
If you spot a clear effort-to-crash loop, the goal isn't to push through it — it's to keep effort below the threshold that creates the crash. The follow-up week then tests whether a lower-effort ceiling actually prevents the crash. The general method is in [how to find your personal triggers](resource:how-to-find-your-personal-triggers).
Talking to your clinician
A two-week effort-and-symptom log is one of the most useful artefacts you can bring to a long-COVID or post-viral clinic. It turns a vague "I'm not improving" into a specific picture of what your current ceiling actually is. See [how to describe symptoms to your doctor](resource:how-to-describe-symptoms-to-your-doctor).
Key takeaways
- Track effort as well as symptoms — that's where the pattern usually hides.
- Look for delayed reactions at +24, +48, and +72 hours, not same-day.
- Keep the daily log under 30 seconds — protect your energy.
- Use the pattern to find your ceiling, not to push past it.
Frequently asked questions
What if I'm too unwell to log every day?
Mark missed days as 'skipped' and continue — three missed days in 14 still leaves enough data to find a pattern. Don't restart.
Is a wearable better for this?
Your Body Signal is intentionally wearable-free. A 1–5 effort score you assign yourself is more honest than steps for this kind of tracking — you know what cost you something and what didn't.
Does Your Body Signal diagnose post-viral conditions?
No. It helps you observe patterns in your own data — it does not diagnose or replace medical care.
What if my symptoms keep shifting?
Pick the one that limits your day most and rate only that. Note others in the free-form line.