Hemolytic anemia, enlargement of the spleen, and pathologic changes in the liver, kidneys, and heart muscle may occur as secondary effects of methemoglobinemia, which is reversible.

• 作为高铁血红蛋白症的次要影响，会发生溶血性贫血、脾扩大和肝、肾、心肌的病变，这些影响是不可逆转的。