On the topic of other use case medications, I used to take Sudafed (the real pseudoephedrine kind) during allergy season for a few weeks each year and noticed my productivity skyrocketed during that time, when I normally had issues context switching. Eventually I narrowed it down to taking Sudafed and saw this post: https://accidentalscientist.com/2005/08/the-sudafed-test-for...
This lead to an ADHD diagnosis and proper meds and my life and work productivity improved pretty dramatically.