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. 2010 Sep 29;5:28. doi: 10.1186/1745-6673-5-28

Table 2.

Treatment of H2S gas poisoning

Amyl nitrite #. If spontaneous breathing remains, encourage amyl nitrite
inhalation from the nasal airway tract.
#. Until sodium nitrite is ready, repeat inhalation every 2 to 3 min.
Sodium nitrite #. Dissolve 0.6 g sodium nitrite to 20 ml of distilled water for injection to make a 3% solution.
#. Intravenously administer 10 ml (for child, 0.12-0.33 ml/kg) of the 3% sodium nitrite solution over 20 min or longer.
#. Sodium nitrite is not on the market as a medicine, therefore, it requires preparation in each hospital using reagent sodium nitrite.

#. Sodium thiosulfate is not efficacious, though it is used to treat cyanogen poisoning. (sodium thiosulfate does not have any negative effect for treatment of H2S poisoning.)