What is brain fog like? How can I better understand as a caregiver?

Posted by julymt @julymt, Jan 5 2:31pm

Can any of you give examples of what your brain fog is like. My significant other is the patient and I have noticed a couple of things. I don't want to be harsh on them if they are struggling with brain fog. I'm not sure they realize it. They asked me how to spell a very common relative's name recently which was a concern to me.

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Profile picture for sandy8043 @sandy8043

For me my chemo brain has shown up as processing speed slow down. I've always been a super fast processor. Its noticeable in a classroom situation or when I watch/ play Jeopardy. Since my chemo (Cisplatin) I process slower. Its a side effect of Cisplatin and I knew that going in. Its pretty subtle as far as brain fog goes. During chemo I had fatigue and some word finding problems as well. I'm 2 years out from chemo now and all that remains is the speed thing.

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@sandy8043 Thank you for sharing. It helps to know that others have experienced this.

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Profile picture for billy650 @billy650

it's terrible. meds change you. I got lyme disease and they put me on all these drugs including b/p meds which caused me brain fog , hallucinations etc. brain fog is like you are in a cloud, you can not focus or think clearly. since stopping all side effects are gone. clonidine and bystoic were deadly.

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@billy650 I glad to hear that your side effects are gone now.

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How to taper off of 25 mg of Seroquel after 4 weeks.

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Profile picture for rollingf @rollingf

I am type 2 Diabetic. I am 83 soon to be 84. I no longer can multitask. When I am walking, I have focus on the activity of walking or I may fall down, trip over something, or just lose my balance. I recently did an "IQ" test on the web and scored over 140. I am also a test subject in the Mayo Clinic's aging study. My memory seems to be working fine both short and long term. But the other night I was talking with one of my sons. While we were both talking in conversation, I thought of a question to ask him. By the time I was ready to ask the question. I lost it. I have another name for brain fog--"Brain Fart"! I have not had any of the meds all of you have mentioned.

I write a weekly opinion column for the local paper. My go-to book is the dictionary. And Wikipedia is my fast history lookup. My memory can be triggered by certain words or phrases. This means I can dynamically change direction on a topic and go off somewhere in my thinking. For some of my readers, they don't understand how I got to the end point. My "triggers" seem to work the same way every time.

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@rollingf I get the brain fog myself! It is great that you are writing a column for your local paper.

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Profile picture for rozy288 @rozy288

It’s when you feel like 100 lb weight is sitting on your brain . You feel dizzy , lightheaded, off balance at times . Mine comes from deep grief after losing my husband of 23 years suddenly 6/2/25. Depression brings it on too. Losing your best friend in the world , your whole life and being alone at 63 has been horrendous.
Sometimes meds can cause heavy brain fog too I found out .
Insomnia causes it too .
It’s a hard thing to live with. All of it .

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@rozy288 We have been together since we were 16 and 17 (currently 65 and 66). I don't know what you are going through, but I can only imagine and I am so sorry. You mentioning dizzy, lightheaded, off balance helps as those are some of the things that my partner has mentioned. It has helped me to know there are others feeling the same things.

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Profile picture for julymt @julymt

@billy650 I glad to hear that your side effects are gone now.

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@julymt

not really, the fog is gone but I am now on amlodipine
and it affects my hair growth. always something.

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I have fibromyalgia and experience brain fog when I am having a flare up. I definitely feel like I am mentally moving slower. Think about how you felt when you were really sick and how you felt as you began to come out of it - not quite 100%, just "off". Like having a fever, when your brain is muddled. Hope that helps. And don't give someone a hard time - for the most part, we are very aware that we aren't firing on all cylinders. We are not trying to be "fuzzy" - we just are.

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Brain fog is common in people, especially older people who have had major surgery. It is usually the result of anesthesia. I had it after a brain injury that left me semi-comatose for a few days, but, even after I recovered, I was “foggy” for months. Gradually it went away, mostly. Two years later, I still have moments, minutes, of brain fog. You should speak with his primary care physician as each case is different.

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It has become very common for me to think of three things I need to remember to do later. As I go to the notepad, no matter how closeby it is, I have already forgotten 2/3 and can only hope the forgotten items will pop into my memory again, and in time to make another note or do them.

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I didn't know I was in a brain fog. I just thought the world around me was falling apart and I wasn't able to understand it. The lack of nutrients from EPI over decades just made it really hard to not only keep working but also understanding what little I could make out.

I quit the job that I loved while in the final throws of brain fog. But it turned out to be for the better as 2025 ended up being my EPI diagnosis year and it was a constant, adult diaper mess.

After being on Creon for 6 months I'm finally waking up out of the fog and it really is horrible for the person. The exhaustion of just getting through the day much less dealing with co-workers was a lot. But not knowing why I was so tired. Why I was struggling so much to make sense of people who didn't make sense anymore. It is really hard when you are down there.

And worst thing is I had no idea. So the patient is just as confused as anyone why nothing make sense. Which was maddening to me. At least, should it happen again, I will hopefully recognize what happened and understand that something else isn't working and I need to figure it out. And take more Creon in the process.

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