I think you could do it without anyone noticing. Heck, even if they happen to glancea t you and notice --- its better than you passing out
Florinef, Midodrine and beta blockers (lopressor) are some of hte drugs to manage the problem of NCS. Most docotrs have bever heard of florinef and may only be vaguely aware of midodorine since this is not a common condition. Note: they start you off on laoading doses and it can take a few weeks to see if it works (my body tried to over ride the medications at first, but my doc warned me about it. Now I would kill before I gave them up since it is the only thing that works pretty well for me)