In my opinion, anything that has an effect on your mood or well being will affect your creativity. So may famous artists, musicians and actors have chosen not to take medication in fear of this.
I have been playing piano for a long time and lost the passion for about 4 years. I would give anything to get those 4 years back but I have come to accept the fact that I needed to sacrifice that in order to deal with the mental challenges that I have faced.
I hope you keep that passion alive but if you lose it, be patient with yourself because it will come back, no doubt.
~Lia
crazymusiclvr@aol.com