WZ... anytime there is a chnage of significance like in your voice becoming hoarse for a prolonged period of time you should have it checked out. In my own case this happens sporadically when I lecture, but if it is happening for no good reason, and it is not going away after a day or so, you should have it checked out.

Brian, stage 4 oral cancer survivor. OCF Founder and Director. The first responsibility of a leader is to define reality. The last is to say thank you. In between, the leader is a servant.