The most famous drug is donepezil (Aricept). This is very weakly effective on the whole. In most Alzheimer's sufferers, there is no effect. But some people respond well to it: https://pmc.ncbi.nlm.nih.gov/articles/PMC2328349
Galantamine, which is mechanistically similar, is another option. Interestingly, it's a natural product, which you can extract from the common snowdrop flower, galanthus nivalis, and many other plants.
Benzgalantamine, a galantamine prodrug, was approved in 2024. This has been, like many recent FDA approvals, somewhat controversial: https://ebm.bmj.com/content/early/2026/02/26/bmjebm-2025-114...
These drugs are, at best, stopgaps. There are no real mitigation regimes.