Originally <a href='http://www.sportsbookreview.com/forum/showthread.php?p=26252710'>posted</a> on 09/13/2016:

These steroids, while banned, are not exactly performance enhancers. They are, for the most part, very strong anti-inflammatory drugs. There also narcotics listed.

I'm guessing there is an underlying, systemic, inflammatory disease and/or severe skin problems.

Biles was basically taking Ritalin, but not necessarily for ADHD. There are other problems, like sleep issues, that it can help treat.