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This sounds similar to ADHD, at least at a superficial level. I have ADHD but when I caught covid I didn't experience a further executive function decline either during or after infection. Is there anyone here who has ADHD and also experienced brain fog? How do the two compare?

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ADHD encompasses a lot more than just brain fog. ADHD being an overall "executive functioning" disorder, one very common symptom that doesn't match brain fog is having 80-100% knowledge of what you need to do, but being unable to choose to start doing the thing you need to do.

That kind of symptom makes ADHD people look lazy and selfish. Brain fog makes them look stupid and unable to learn or figure things out.

Generally I've found that amphetamine helps a LOT with ADHD, but not as much with brain fog.

Lisdexamphetamine has "fixed" my ADHD, a very low carb diet has "fixed" my brain fog. Those things together have radically changed my life.

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