High-Functioning Schizophrenics

In Light Sonata, when accepting the Medal of Freedom, Rupert’s celebrated piano teacher says:

Yes, freedom needs genius, but genius needs freedom.
It can lie imprisoned by a darkened spirit.

Would Rupert lose his genius if Charlie medicates him? 

And what about Charlie’s own fear that he himself is schizophrenic?

For  background on this subject, let’s hear a real-life schizophrenic tell the story of how she copes with it.