Nerve gas (Sarin, VX) is chemically similar to some commercial pesticides in use here. It causes overstimulation of the parasympathetic nervous system whose effects can be summarized by the cholinergic toxidrome of SLUDGE: Salivation, Lacrimation(tears), Urination, Defecation, GI symptoms, and Emesis. Pt’s will eventually seize and become apnic (stop breathing). Treatment will include the common drug Atropine, and 2-PAM. Different gases will give you different times for treatment options.