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Methemoglobinemia can be due to certain medications, chemicals, or food or it can be inherited. [2] Substances involved may include benzocaine , nitrites , or dapsone . [ 3 ] The underlying mechanism involves some of the iron in hemoglobin being converted from the ferrous [Fe 2+ ] to the ferric [Fe 3+ ] form. [ 3 ]
Many types of drugs, medications, and even nutritional supplements can affect fetal development or cause complications. For over-the-counter and prescription medications, healthcare professionals can help weigh the potential risks and benefits of taking medication while pregnant and if it is needed.
This is a list of drugs and substances that are known or suspected to cause Stevens–Johnson syndrome This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources .
Exposure to recreational drugs. Alcohol: Use during pregnancy can cause fetal alcohol syndrome and fetal alcohol spectrum disorder. [67] Tobacco use: During pregnancy, causes twice the risk of premature rupture of membranes, placental abruption and placenta previa. [68] Also, it increases the odds of the baby being born prematurely by 30%. [69]
Cetacaine can have interaction with other drugs being taken by patients one of the interactions that can lead to methemoglobinemia is the interaction with sodium nitrate as well as prilocaine, which can lead to severe illness or death. [8] As well as others listed on the referenced site. [8]
Other side effects include liver inflammation, methemoglobinemia, [6] and a number of types of skin rashes. [3] While the safety of use during pregnancy is not entirely clear some physicians recommend that it be continued in those with leprosy. [3] It is of the sulfone class. [3] Dapsone was first studied as an antibiotic in 1937. [4]
In some cases, a drug can cause the immune system to mistakenly think the body's own red blood cells are dangerous, foreign substances. Antibodies then develop against the red blood cells. The antibodies attach to red blood cells and cause them to break down too early. It is known that more than 150 drugs can cause this type of hemolytic anemia ...
The structure of cytochrome b5 reductase, the enzyme that converts methemoglobin to hemoglobin. [1]Methemoglobin (British: methaemoglobin, shortened MetHb) (pronounced "met-hemoglobin") is a hemoglobin in the form of metalloprotein, in which the iron in the heme group is in the Fe 3+ state, not the Fe 2+ of normal hemoglobin.