Acquired methemoglobinemia: 1 mg/kg IV over 5-30min, may repeat in 1h with up to 1 mg/kg IV if methemoglobin level still >30% or symptoms persist
Drug-induced methemoglobinemia: 1-2 mg/kg IV slowly over several minutes
See vasopressors
For hypotension refractory to catecholamine pressors
Consider after catecholamine, vasopressin, and mineralocorticoid refractive shock
For hypotension refractory to catecholamine pressors
Consider after catecholamine, vasopressin, and mineralocorticoid refractive shock
Methylene blue
Fomepizole
Amyl nitrite
Sodium thiosulfate
Dimercaprol
Succimer
N-Acetylcysteine
EDTA