I'm scared.

I got a message from my father. My mom had my younger sister, who is severely autistic, and they were meeting him for lunch at the mall. When she got there she got confused. She didn't know where she was or why she was there. They wandered the mall until my dad got worried and left the restaurant to find them. He said when she saw him she remembered what was going on and broke down.

He said there had been some minor memory loss before this, getting confused and very tired. They are going to the doctor today to see if it has to do with the thyroid meds but this episode was serious. There is a small history of Alzheimer's in the family, my great grandfather on her side being the only one that we know of. If there is no indication of her thyroid meds being off they are checking into it further.

This scares me. Very much.