WebFeb 1, 2024 · Benzocaine is used to relieve pain and irritation caused by sore throat, sore mouth, or canker sores. This medicine is available without a prescription. Your doctor may … 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 topical and phenazopyridine Interactions - Drugs.com
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... WebRebound methemoglobinemia (benzocaine on mucous membranes) with methemoglobin values as high as 59.9% may occur up to 18 h after methylene blue administration. Complications of methemoglobinemia include hypoxic encephalopathy, myocardial infarction, and death. ... If lidocaine does cause methemoglobinemia, it must be quite … graphing lines and killing zombies answers
Methemoglobinemia: What You Should Know - Verywell Health
WebMar 1, 2024 · Methemoglobinemia occurs when hemoglobin (Hb) with heme in the ferrous state (Fe2+) oxidizes to form heme in the ferric state (Fe3+). This MetHb has impaired ability to transport oxygen (O2), leading to hypoxia. Methemoglobinemia, which can be either congenital or acquired, is one of the causes of cyanosis in infants and children associated … WebNov 5, 2014 · Most cases of methemoglobinemia are acquired and result from exposure to certain drugs or toxins. One of the more common causes of acquired methemoglobinemia is exposure to topical benzocaine during … WebFeb 10, 2015 · Acquired methemoglobinemia is a toxic hemoglobinopathy commonly caused by prescribed medications or those administered in a hospital setting. Rarely, however, over-the counter, self-administered medications containing benzocaine can cause methemoglobinemia in otherwise healthy adults. chirp signal of sine wave