Methemoglobinemia (this is the point when used for cyanide toxicity)
Raised ICP
Rased IOP
Syncope
Orthostatic hypotension, dizziness
Headache
Flushing
Amyl nitrite
Sodium nitrite
Methylene blue
Methyl isocyanate
Sodium thiosulfate
Selenium sulfide
Iodoquinol
Trientine