Long COVID brain fog and suicidal thoughts, improved with water fasting then relapsed
- Condition
- Long COVID
- At worst
- Mild (working or studying, with limits)
- Ill before improving or writing
- 4 months
- Last post
- Oct 2026
In their words
- Condition: Long COVID
I got Covid in February and literally the first day I felt confusion and fatigue.
In context ↗ - At worst: Mild
I also did it on the working days to distract myself. I'm working from home so that was an option.
In context ↗ - Now: Relapsed
I consider myself to be fully recovered, and probably better than ever ... Anyways, I had now a very stressful period emotionally and I had troubles sleeping for few weeks time which I feel triggered this issues now.
- Began after: COVID
Then, I got Covid in February and literally the first day I felt confusion and fatigue.
In context ↗ - Says they never had: Loss of smell or taste
Didn't lose smell or taste.
Read from 108 of their posts and comments; links to the 36 this page draws on
Summary
Pond 42709, a 29-year-old man, caught COVID in February 2022 and had depersonalisation, brain fog, anhedonia and suicidal thoughts while still working from home. Prolonged water fasting from month 3, intermittent fasting, HBOT and nattokinase were credited with improvements, but by 14 months they still reported DPDR, photophobia, tinnitus and low motivation, and later felt worse after losing habits.
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What they tried
What they credit
Also tried
Their words about each treatment
- Lion's Mane · Worse
I've tried Lion's Mane and I didn't feel too well on it. I felt like it has effects, but I had weird pressure in head.
In context ↗ - L. Plantarum 299 · Helped
I also noticed probiotics helped. I take L. Plantarum 299 20 billion CFU.
In context ↗ - intermittent fasting · Helped
I do 16/8 daily and doing ~48h water fast every 2-3 weeks.
In context ↗ - prolonged water fasting · Helped a lot
What turned the corner for me was prolonged water fasting. I did multiple of them in last months and I feel each time I got a lot of myself back which was sustained.
In context ↗ - cut caffeine and sugars · Helped
I also cut caffeine and sugars, which helped.
In context ↗ - Lumosity app and Sudoku · Not said
I played Lumosity app and Sudoku to give my brain a challenge.
In context ↗ - melatonin · Helped
I've tried melatonin, it did helped, and I felt I was sleeping better on it
In context ↗ - HBOT · Helped
I did it earlier in my LH, at month 7. Did 20 sessions and I believe it helped.
In context ↗ - Nattokinase · Helped
I think Nattokinase helped the most from the supplements I'm taking.
In context ↗ - cold plunges · Helped
I feel like cold plunges helped tinnitus more than HBOT.
In context ↗ - giving blood · Helped
I've given blood a month ago and I felt like it did help. I had sustained relief of pressure in my head and I'm not dizzy anymore.
In context ↗ - DLPA · Helped
I've taken it for a week to test it out, was sleeping normally. Started with 250mg, upped it to 500 on 3rd day then on 1G on 5th.
In context ↗ - tryptophan · Helped
I've been taking 1G a day for some time and it helped.
In context ↗ - Serrapeptase · Helped
I also took Serrapeptase and it helped noticably after only 3 days.
In context ↗ - Resveratol · Helped
product uses Resveratol which I use and it was helpful
In context ↗ - Omega 3 · Helped
What I think helped was Nattokinase, Resveratol, Omega 3, Nac, and high doses Vit C for few days.
In context ↗ - B12 · Not said
Taking regularly Omega-3, B12, B complex, NAC, sometimes Nattokinase, Curcumin, Magnesium Theorenate.
In context ↗ - microdosing psilocybin · Worse
I tried it and felt that dissociation got better from brain fog, but brain fog itself seem to got temporarily worse. Took it 8 days ago and I still feel weird.
In context ↗ - high doses Vit C · Not said
It took upwards of 25-30G a day. Nothing happened, on day 5 I god diarrhea then stopped.
In context ↗ - nicotine patches · Helped
I'm taking 12.5mg patches. It's 3rd day, and I feel some subtle improvements.
In context ↗ - dry fasting · Helped
I dry fasted for 56h, it felt good while fasted but it didn't stick.
In context ↗ - thiamine HCL · Helped a lot
I've used HCL version, 1.5G a day for few weeks and I resolved a lot of symptoms. My colons started working again and I resolved 1.5 year long constipation in few weeks.
In context ↗ - sleeping as much as I can · Helped
What helped me most is water fasting & HBOT, Nattokinase, sleeping as much as I can
In context ↗
Approaches: Hyperbaric & oxygen · Anticoagulants · Diet · Radical rest · Supplements
Their path
How ill they were on the ME/CFS severity scale, estimated from what they describe at each point, with time counted from when the illness began. Hover or tap a point. Dates are when they posted. What the levels mean.
Show as a table
| When | What happened | Where they were | After |
|---|---|---|---|
| February 2022 | COVID-19 infection; confusion and fatigue from day oneThen, I got Covid in February and literally the first day I felt confusion and fatigue.In context ↗ | Mild | |
| months 1-5 | worst period: depersonalisation, anhedonia, brain fog, panic, suicidal thoughtsI had the worst time of my life first 4-5 months.In context ↗ | Mild | |
| month 3 | first prolonged water fast eased depersonalisationAt month 3 I was so miserable, and I decided to do prolonged water fast ... In next 2 days of the fast I could feel the DP/DR ease as time passedIn context ↗ | Mild | Extended water fasting (3+ days) |
| August 2022 | around 80% after repeated fasts, HBOT and nattokinase | Mild | Extended water fasting (3+ days) |
| January 2023 | most symptoms gone except some brain fog and personality changesEverything is gone now except some brain fog and certain personality changesIn context ↗ | Near normal | |
| April 2023 | dropped his habits and drank alcohol; symptoms came backI was doing great at month 10-12 and I let loose of my habits and now I'm fucked again.In context ↗ | Mild | |
| August 2023 | thiamine HCl resolved constipation and improved brain fogI've used HCL version, 1.5G a day for few weeks and I resolved a lot of symptoms.In context ↗ | Mild | Thiamine / benfotiamine |
| January 2026 | considered himself fully recovered after more than a year of no long-COVID thoughtsI consider myself to be fully recovered, and probably better than everIn context ↗ | Recovered | |
| October 2026 | neuro symptoms and OCD returned after a stressful period with poor sleepNeuro symptoms came back after long period of being close to full recovery.In context ↗ | Mild |
Adverse events
- AHCC and medicinal mushrooms (reishi, shiitake, maitake)“First time I felt this was 2 days after starting Lions Mane, and I think it might not be coincidence since when I tried it again after discontinuing I got the same feeling very next evening.” In context ↗ Side effects
- Melatonin“I also took melatonin on second day once, and it didn't play well during fast. Felt worse than lighter sleep without it on fast.” In context ↗ Made symptoms worse
- “If you take them all at once you can get a hard diarrhea. I learned that the hard way, out of my home.” In context ↗ Gut side effects
- “It took upwards of 25-30G a day. Nothing happened, on day 5 I god diarrhea then stopped.” In context ↗ Gut side effects
- Nicotine patches“I think Nicotine might be fueling my OCD, but on the other hand it helps me with Brain Fog.” In context ↗ Mood or psychiatric effects
Symptoms mentioned
Their words about their symptoms
- Brain fog
I had intense neuro issues, mainly depersonalization, feeling overstimulsted, tinnitus, brain fog, feeling off all the time.
In context ↗ - Post-exertional malaise
Couldn't drive without getting overwhelmed and PEM
In context ↗ - Sleep problems
I feel like my sleep has improved but I still don't feel refreshed after sleep as before covid.
In context ↗ - Tinnitus
mainly depersonalization, feeling overstimulsted, tinnitus, brain fog
In context ↗ - Light & noise sensitivity
photophobia (hate it, can't enjoy sunny days as much)
In context ↗ - Vision problems
I was sensitive to light and had blurry vision for months
In context ↗ - Anxiety & low mood
I’m now in constant state of low grade panic and feeling on edge.
In context ↗ - Gut problems
I resolved 1.5 year long constipation in few weeks
In context ↗ - Headaches & migraine
pressure in my head
In context ↗ - POTS & dysautonomia
It's not painful, but it wakes me up and it's accompanied with zooned out feeling and lightheadedness.
In context ↗
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