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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 ]
This is common in immunocompromised, elderly, and diabetic people. High blood loss can also come from the increased loss of blood during menstruation, childbirth, cancers of the intestines, and disorders that hinder the blood's ability to coagulate. [citation needed] Medications can have adverse effects and cause nutritional anemia as well.
Losing weight on GLP-1 drugs like Ozempic, Wegovy, Mounjaro, and Zepbound may increase your risk of developing nutrient deficiencies because these medications cause people to significantly reduce ...
The diagnosis of anemia in men is based on a hemoglobin of less than 130 to 140 g/L (13 to 14 g/dL); in women, it is less than 120 to 130 g/L (12 to 13 g/dL). [1] [7] Further testing is then required to determine the cause. [1] [8] Treatment depends on the specific cause.
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 ...
Other factors that can cause an excess amount of hemoglobin are: Smoking (which may result in low blood oxygen levels) Higher altitudes where your red blood cell production naturally increases to compensate for the lower oxygen supply there; Specific disorders or other factors that may cause a high hemoglobin count include: Lung disease [3]
Many drugs have been implicated in causing oxidative damage to RBCs, which may cause a hemolytic anemia especially if these drugs are used in individuals with compromised antioxidant mechanisms such as G6PD deficiency or Hemoglobin H disease. Drugs commonly implicated in causing hemolytic anemia in these individuals include [1]: Primaquine; Dapsone
A 2013 study of over 400,000 people admitted to US hospitals found that 74% developed anemia at some point during their hospital stay. [5] Iatrogenic anemia is of particular concern in intensive care medicine, [6]: 629 because people who are critically ill require frequent blood tests and have a higher risk of developing anemia due to lower hemoglobin levels and impaired production of red ...