You're right to be cautious. In one of your posts, you mentioned sobriety and attending aa meetings – and if so, the Neurologist should clearly know about that past history before recommending or prescribing it.

The possible side effects you mention (swelling or bleeding of the brain) can be life-threatening. It’s important to know that it might slow the decline, but does not cure the disease. Here’s some information about the possible side effects:
https://www.drugs.com/sfx/leqembi-side-effects....

And here's an article about Leqembi, that's worth reading:
https://www.uchealth.org/today/how-well-does-le...

The Dr said she was past the point of it being helpful so be it God has brought us this far and I'm sure he will be there to carry us to the end.julann can't remember what day of the week or when she was born can't count to 10 or write the ABC s she gets to o and then she forget s what she was doing love ya all

Just the little I read I don't think I would give that med. That's me though. Each person has to make that decision.