Methylene BlueMethylene ChlorideInjectionsMethemoglobinemiaColoring AgentsTolonium ChloridePhotosensitizing AgentsNitric OxideCyclic GMPGuanylate CyclasePhenothiazinesMuscle RelaxationInjections, IntravenousIndigo CarminePhotochemotherapyInjections, IntramuscularEnzyme InhibitorsDose-Response Relationship, DrugArginineAntidotesNitroprussidePurinonesTrypan BlueVasoplegiaEvans BlueMolecular StructureOxidation-ReductionImidazolinesDental LeakageSinglet OxygenTime FactorsInjections, SubcutaneousInjections, IntralesionalAgarLightRats, Sprague-DawleyNitroarginineStaining and LabelingRats, WistarDysuriaInjections, Intra-ArticularMolsidomineKinetics