[harha]

This could at least be done after release, but I don’t think any incentives are there, while collecting the data is incredibly difficult

[blackbear_]

It is done, in many countries there are legal requirements to report adverse events whenever they are observed upon use

https://en.wikipedia.org/wiki/Pharmacovigilance#Adverse_even...

[arcticbull]

That data goes into VAERS and FAERS. You can query it in MedWatch.