Penicillin allergy is a lot less common than patients report. A low-risk history could allow you to prescribe it in the ED or clinic.
Management of nerve agent (NA) poisoning requires recognition of the syndrome and availability of the antidote. It is important to remember that besides the classic “SLUDGE” and “Killer B’s,” there is also the nicotinic syndrome which can cloud the clinical presentation. Add the “weekdays” mnemonic for nicotinic effects to your list of symptoms in NA toxicity.