WebMay 1, 2007 · Acquired methemoglobinemia can result from exposure to toxins or dietary agents that cause the reduction of hemoglobin to methemoglobin (Table 1). In the case of benzocaine-induced methemoglobinemia, benzocaine acts as an indirect oxidizer, which reduces O 2 to O 2 2 (a free radical), which then oxidizes hemoglobin to metHb. Diagnosis WebFeb 28, 2024 · Methemoglobinemia is a medical condition in which much of your hemoglobin can’t transport oxygen normally because it is in the form of methemoglobin. It can be present from birth or triggered by something later in life. Symptoms might be absent, mild, or life-threatening, depending on severity.
Benzocaine-induced methemoglobinemia: a condition of …
WebInform patients that use of local anesthetics may cause methemoglobinemia, a serious condition that must be treated promptly. Advise patients or caregivers to seek immediate medical attention if they or someone in their care experience the following signs or symptoms: pale, gray, or blue colored skin (cyanosis); headache; rapid heart rate ... WebFeb 1, 2024 · May increase the risk of developing a serious side effect called methemoglobinemia. Asthma or Bronchitis or Emphysema or Heart disease or Infection at the place of application or Large sore, broken skin, or injury at the place of application or Smokers—Use with caution. May cause side effects to become worse. can roaches travel on people
Benzocaine (Oral Route, Oromucosal Route) - Mayo Clinic
WebJun 23, 2024 · Benzocaine topical used in the mouth may cause a condition in which the oxygen in your body tissues can become dangerously low. This is a potentially fatal condition called methemoglobinemia... WebAug 4, 2024 · How does benzocaine cause methemoglobinemia? Methemoglobinemia occurs when hemoglobin (the protein in blood that carries oxygen) gets modified so that it can’t carry oxygen to the body as effectively. Because we all need oxygen to survive, methemoglobinemia is a potentially fatal disease. WebJan 23, 2008 · Benzocaine is a more common cause of methemoglobinemia and reported more frequently in the literature. Based on one institution, the incidence of benzocaine-induced methemoglobinemia is one in 7000 bronchoscopies [ 1 ]; however, the exact incidence of methemoglobinemia associated with benzocaine is unknown. flank exercise meaning