Long COVID fatigue and high heart rate, somewhat better on low-histamine diet
- Condition
- Long COVID
- At worst
- Moderate (mostly housebound)
- Ill before improving or writing
- Not stated
- Last post
- Oct 2026
In their words
- Condition: Long COVID
My main LC symptom is fatigue and PEM.
In context ↗ - At worst: Moderate
I spend the majority of my day within the 'rest' range on my HR tracking app ... I'm still pacing
In context ↗ - Now: Somewhat better
since nearly the immediate start of the diet my HR has absolutely plummeted ... I am still having difficulty with fatigue a few days a week
In context ↗ - Began after: COVID
My main LC symptom is fatigue and PEM.
In context ↗
Summary
A Reddit user with long COVID whose main problems were fatigue, post-exertional malaise and a heart rate that stayed high long after activity like stairs or showering. After about three weeks on a low-histamine elimination diet their heart rate dropped and their energy improved, though fatigue still hit a few days a week and they kept pacing.
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What they tried
Their words about each treatment
- Meditation · Helped
1. Meditation and Nurosym - get that nervous system in check.
In context ↗ - Pacing · Helped
Pacing - don't fuck up the progress of number 1.
In context ↗ - low histamine diet · Helped
since nearly the immediate start of the diet my HR has absolutely plummeted
In context ↗
Approaches: Diet · Mind-body practices · Pacing · Vagus nerve stimulation
Their path
How ill they were on the ME/CFS severity scale, estimated from what they describe at each point, in the order they describe; they don’t give enough times to place each step. Hover or tap a point. Dates are when they posted. What the levels mean.
Show as a table
| When | What happened | Where they were |
|---|---|---|
| — | long COVID with fatigue, PEM and a heart rate that stayed high after activity; days spent sitting on the sofaMy main LC symptom is fatigue and PEM.In context ↗ | Moderate |
| 2026-10-24 | heart rate dropped and energy improved after starting a low histamine elimination dietsince nearly the immediate start of the diet my HR has absolutely plummetedIn context ↗ | Mild |
| 2026-10-28 | heart rate now drops soon after activity; still pacing and fatigued some daysI still get a high HR, for example showering/walking upstairs, but it drops as soon as I finish the activity.In context ↗ | Mild |
Symptoms mentioned
Their words about their symptoms
- Post-exertional malaise
My main LC symptom is fatigue and PEM.
In context ↗ - Heart symptoms & palpitations
I still get a high HR, for example showering/walking upstairs, but it drops as soon as I finish the activity.
In context ↗
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