I had some severe memory problems that lasted most of the last semester and greatly impacted my studies. I'm pretty sure I was at the point where I was experiencing legitimate cognitive dysfunction. It started out with forgetting I had someplace to be and then running late. I am never late, I loathe being late, and it was distressing. Then I got more and more forgetful as the weeks passed. Sometimes I'd forget what I was saying mid-sentence. I started having trouble remembering how to spell things, where I put my shoes (while I was living in a tiny dorm room, at that), and forgetting what someone had said to me minutes after they said it. For two weeks right in the middle of it, it was so bad that I can't remember anything I did. Those two weeks happened, but they are gone. Poof. Not there. It was really, really scary, especially since Alzheimer's does run in my family, and even though I'm still young, I do have this huge fear of losing my mind that way.
But it got better. I tackled it head-on, found out what was causing the memory problems. For me, it was caffeine. I think. It could have just been chocolate in general, since that was where I got all my caffeine, but within days of cutting it completely from my diet, I found my memory getting better. I was also sleeping better, which sped along the process, I'm sure.
Since then, I've been keeping a daily health and self-care journal, and noting my forgetfulness. It definitely comes and goes, some days worse than others. Thankfully nothing so bad as this past semester.
It's definitely scary, and I think it would be a good idea to talk to your husband about it. I've found talking to someone always helps me deal with the scary stuff. Especially when I'm having memory problems that are getting in the way of trying to find a solution. I talked to my mom (a fellow fibromite) about it when my memory got bad, and she knew exactly what I was going through because it had happened to her once before, and knowing that really helped me be less scared.
I do hope your memory improves soon! Until then, sticky notes. Sticky notes everywhere. ((gentle hugs))