Hemolytic anemia
Syncope
Serotonin syndrome
Paradoxical methemoglobinemia at doses > 4 mg/kg/hr or per bolus
Pulmonary vasoconstriction at 3-4 mg/kg/hr or per bolus
Skin discoloration, urine discoloration, hyperhidrosis
Nausea, abnormal taste
Limb pain
Dizziness, headache
Methylene blue
Fomepizole
Amyl nitrite
Sodium thiosulfate
Dimercaprol
Succimer
N-Acetylcysteine
EDTA