Atropine
Banerica Peroxide Duo.
Physostigmine inhibit AchE (the enzyme that hadrolyse Ach), so Ach accumulate at synaptic cleft and banish the effect of atropine
Nitrite
Atropine and pralidoxime chloride
atropine sulfate is used as an antidote of anticholinesterase meds administered on patients with myasthenia gravis. Atropine sulfate should be also made available when performing the Tensilon Test to reverse the effect of Edrophonium injection.
atropine and 2-pam chloride
Physostigmine! (Usually the antidote for anything is either atropine or physostigmine, depending on whether your "poison" is an "upper" or "downer" on the nervous system, esentially)
Nerve agents are acetylcholinesterase inhibitors. Acetylcholinesterase is an enzyme that breaks down acetylcholine at nerve synapses. The antidote to counteract the nerve agent is an anticholinergic drug, such as atropine.
The alkaloids found in atropine, which is derived from the poisonous plant known as deadly nightshade or belladonna, turns off the nerve receptors, counteracting the effects of these toxins.
atropine
Check out the atropine page at wikipedia.org for your answer.