I've been using Zicam rapidmelts for the past couple of years (not so much 
after finding out about CS this fall) and I've had no problem. Of course that's 
not the nasal version.

Snopes finding is "Undetermined."  http://www.snopes.com/medical/drugs/zicam.asp

Zicam is a big sponser of Rush Limbaugh and this could be politically motivated.

Jeff