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AI InsightMethylene blue treat ment and adjuvant therapy consisting of infusions of 100% oxygen and 0.9% sodium chloride administered promptly can prevent potentially severe toxic effects.
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Özet
Hemoglobin is a molecule found in erythrocytes that transports oxygen to tissues. Methemoglobin, a form of hemo globin that can no longer bind oxygen, is formed when the ferrous iron in normal hemoglobin becomes ferric iron as a result of oxidation due to various kinds of oxidative stress. Methemoglobinemia can be congenital, however, exposure to toxins is more often the cause. Local anesthetics can occasionally cause methemoglobinemia, and the potential ef fects increase with combined or excessive use. Prilocaine-induced methemoglobinemia has been reported, though it is rare. Presently described is the case of an adult case of methemoglobinemia, which developed following a prilocaine injection for fibromyalgia pain. Methylene blue treatment and adjuvant therapy resulted in recovery. This case report serves as a reminder that that prilocaine can be a cause of adult-acquired methemoglobinemia. Methylene blue treat ment and adjuvant therapy consisting of infusions of 100% oxygen and 0.9% sodium chloride administered promptly can prevent potentially severe toxic effects.