I have fibromyalgia, so I have dealt with “fibro fog,” but I have memory loss now, which is different. I would explain “fibro fog” as feeling like a cloud that descends over your mind.
My thinking is slow and sleepy. Movements are harder and more exhausting because I have to push through that thick fog. It is not always thick, and sometimes I only struggle a small amount, but other times, it can be so hard.
It sometimes feels easier to not move and to just sleep instead since my exhausted body requires so much work to get things done. “Brain fog” can also come from pain medications or sedatives.Read more on themighty.com