I know we were talking about these informations a lot but this is so irritating! I don't care about the excuses " they use it becaise of their illness.
https://twitter.com/ev4_w/status/938261227888955393
I don`t know about the other meds, but frankly I don`t think Prednisolon would be helpful for performance. It weakens the immune system and reduces muscle mass as side effects. From experience I can also tell you, that it makes you very, very tired.