Are there any comprehensive portals that provide information about the prevalence of each drug's side effect? The only one I know of is HealthBee? - https://healthbee.co/
"Bad LOL. It could not find the first drug I want to look at- apixaban or Eliquis. Generic name and brand name, respectively"
Apixaban is apparently a common drug. That said, even she was interested in such a portal as well, saying that it just needs more data.