Symptomatic cyanide toxicity: 300 mg of<unk>  (10 mL of 3% solution) IV over 3–5 minutes. If no response after 30min, give additional half-dose
Sodium nitrite
Amyl nitrite
Methyl isocyanate
Nitrous oxide
Methylene blue
Sodium thiosulfate
Selenium sulfide
Dicyclomine