She saw a psychiatrist a couple of times in the mid-2000's. He threw some drugs at her for a while, mostly some kind of anti-anxiety remedies. But she did not take them reliably, and so the cure wound up being worse than the disease, and she stopped taking them. Given her new 2020 diagnoses, she's taking new stuff, but I don't know what it is.

The long, 35 year arc of her decline cannot be explained by drugs, since for 99% of the time, she wasn't taking any.