Signs of a rare but life-threatening complication called methemoglobinemia include pale or blue skin, headache, a fast heart ...

When ingested, sodium nitrite can lead to a condition known as methemoglobinemia, where the ability of red blood cells to carry oxygen is severely impaired. This can result in serious health ...

Lidocaine 2.5%, prilocaine 2.5%. Not for use near tympanic membrane. Increased risk of methemoglobinemia in G6PD deficiency, congenital/idiopathic methemoglobinemia, cardiac or pulmonary ...

Lidocaine HCl 2%; aqueous. Sepsis. Traumatized mucosa. Severe shock. Heart block. Risk of methemoglobinemia (esp. in G6PD deficiency, congenital or idiopathic methemoglobinemia, cardiac or ...