TLDR at bottom.

I’ve always had a small phobia of not being able to retrieve a memory. The idea of Alzheimer’s always freaked me out. That was a small fear as a child/teenager.  

I’m coming off of my anti depressants right now, and I’m clearly having anxiety as a withdrawal symptom. Since the general anxiety had arrived a few weeks ago, I’ve become increasingly frightened of memory loss. I’m currently writing this because I was just in the bathroom and went to google something, but forgot. The act of forcing my brain to try to retrieve a memory, and it can’t no matter how I wrap my head, has been giving me bad... feelings. I jump up from the toilet and yell softly, “AHHH”, pace around quickly and feel the need to do something. Have to talk to myself, “it’s okay dude it doesn’t matter”. Just talk logic to myself, it’s okay, it doesn’t affect anything, calm down. 
This happens with any memory-loss related scenario. I can’t remember what I ate yesterday or what I exactly did the day before. If I think too much about this, if I try to force myself to remember, it will cause my head to boggle and i enter an odd state of thinking. I always stop thinking about it so I don’t have an anxiety attack over nothing. 

I currently keep a dream journal, not because I’m particularly interested in lucid dreaming, but because I cannot currently handle forgetting my dreams when I wake up. There was one day after the anxiety set in, that I realized I couldn’t retrieve the dream I just had experienced no matter how I forced my brain. The harder I try to remember, the more I become not comfortable in my skin, or my head, and I feel the need to jolt up and run around and scream. I’m able to tell myself that is nuts and I’m overreacting severely, and it keeps me from going bonkers when I feel like that. Logic helps. 

Does anyone else have this memory related fear/anxiety? I understand that the idea of losing all your memory (Alzheimer’s) is simply a scary idea and it isn’t unreasonable to be frightened by that. But i definitely have a heightened fear of stuff like this now, way more fear than I should have. The only person I can find that has the same experiences is my mom, which leads me to believe she passed down some weird gene, or I somehow have her same anxieties. She is 50 now and doesn’t have anxiety much like that anymore, but she still rarely gets panic attacks and is prescribed Xanax to take for those attacks (rare). 
As stated, I’m coming off of 20mg citalopram after 2 years of use, so am having withdrawal anxiety of course. Hopefully it passes eventually, but in the meantime, is there any specific way of thinking or head tricks to remedy this? I’m not really looking to go get prescribed Xanax or a daily anxiety med, I’m trying to stop meds. Absolutely nothing wrong with taking them, I am just experimenting with my capabilities as a human and practice natural control of my brain/emotions. Thanks. Cheers to good health

TL;DR: I have a memory-loss fear. I have been getting anxiety over forgetting what I just thought of, things I did the other day, or what I dreamt the night prior. Forcing to remember when I can’t is giving me those crazy JUMP RUN feelings. My only tactic is to talk logic to myself, it helps in the moment but it doesn’t get the anxiety to stop occurring further. Advice or similar experiences?