Long COVID brain fog and low mood, somewhat better with methylene blue
- Condition
- Long COVID
- At worst
- Not stated
- Ill before improving or writing
- Not stated
- Last post
- Jul 2025
In their words
- Condition: Long COVID
like life felt pre-COVID
In context ↗ - Now: Somewhat better
I’m back to feeling horrible again ... it’s the only thing that really helps
- Began after: COVID
like life felt pre-COVID
In context ↗
Read from 4 of their posts and comments; links to the 4 this page draws on
Summary
He described long COVID with brain fog, low mood and tiredness, far from his old life as a husband and father. Methylene blue cleared the brain fog and lifted his mood, but the benefit lasted only about two days before the brain fog started to return. A later trial helped again, with brief anxiety, and by July 2025 he still called it the only thing that really helps.
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What they tried
What they credit
Their words about each treatment
- Methylene Blue · Helped a lot
I tried it one time and it was almost like a wonder drug. My brain fog completely disappeared
In context ↗
Approaches: Other drugs and medicines
Their path
They say too little about how ill they were at each step to draw it on the severity scale, so the steps are listed as they describe them. Dates are when they posted.
| When | What happened | Where they were | After |
|---|---|---|---|
| — | long COVID, brain fog and tirednesslike life felt pre-COVIDIn context ↗ | Not stated | |
| December 2024 | first methylene blue trial; brain fog and depression symptoms gone for two daysI tried it one time and it was almost like a wonder drugIn context ↗ | Near normal | Methylene blue |
| December 2024 | brain fog returned two days after methylene blueI felt great for 2 days then the brain fog started to set back inIn context ↗ | Not stated | |
| 2025-06-07 | retried methylene blue; stuffed nose cleared, brief anxiety, felt better than in a long timeThen I got a bit anxious for 15 minutes, then it subsided and I felt better than I have in a very long timeIn context ↗ | Not stated | Methylene blue |
| 2025-07-03 | still ill; methylene blue the only thing that helpsfinding that it’s the only thing that really helpsIn context ↗ | Not stated |
Adverse events
- Methylene blue“I also felt very anxious and was bouncing off the walls.” In context ↗ Mood or psychiatric effects
- Methylene blue“I started to get overly anxious trying to figure out how to burn the energy and my mind was racing.” In context ↗ Mood or psychiatric effects
- Methylene blue“Then I got a bit anxious for 15 minutes, then it subsided” In context ↗ Mood or psychiatric effects
Symptoms mentioned
Their words about their symptoms
- Brain fog
my horrible brain fog
In context ↗ - Anxiety & low mood
depression symptoms gone
In context ↗
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