Methylene BlueMethylene ChlorideMethemoglobinemiaColoring AgentsTolonium ChloridePhotosensitizing AgentsCyclic GMPGuanylate CyclaseNitric OxidePhenothiazinesMuscle RelaxationIndigo CarminePhotochemotherapyPurinonesNitroprussideAntidotesArginineTrypan BlueVasoplegiaDental LeakageImidazolinesEvans BlueSinglet OxygenAgarDysuriaNitroarginineEnzyme Inhibitors