Onset of symptoms several minutes to 48h after exposure
Corrosive to skin and eyes, can cause irritation and blistering, though poorly absorbed through skin
Neurotoxic
Effects may be long-lasting
HA, visual disturbances, fatigue
Nausea/vomiting
Cerebellar dysfunction (e.g. nystagmus, ataxia)
AMS
Seizure, paralysis
Inhalational exposure causes direct respiratory irritation --> pulmonary edema
Effects may be long-lasting
HA, visual disturbances, fatigue
Nausea/vomiting
Cerebellar dysfunction (e.g. nystagmus, ataxia)
AMS
Seizure, paralysis
Methyl bromide
Blister chemical agents 
Theophylline
Lewisite 
Caffeine
Sulfur mustard 
Pseudoephedrine
Phosgene oxime 