It's been on the market for a long time, jabber. There were some claims a while back that the nasal spray and q-tip applicators caused severe nasal irritation to the point of being a big problem, and I think it was taken off the market for a while. I do know you have to start using it at the very first sign of a cold; if you wait too long it supposedly doesn't work quite as well. I think I've only used it once, and I did notice a difference. But it's like everything else: works for some and not others.
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