you ought to check out this side effects list and warnings and what not:
http://www.rxlist.com/nicotrol-drug.htm
only like a 1000 pages (exaggerated)
This warning is extremely important! I doubt many users even think of it!
Labor and Delivery
NICOTROL Inhaler is not recommended for use during labor and delivery. The effect of nicotine on a mother or the fetus during labor is unknown.
source: Nicotrol Inhalant Official FDA information, side effects and uses.