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Signs of folate deficiency anemia most of the time are subtle. [4] Anemia (macrocytic, megaloblastic anemia) can be a sign of advanced folate deficiency in adults. [1] Folate deficiency anemia may result in feeling tired, weakness, changes to the color of the skin or hair, open sores on the mouth, shortness of breath, palpitations, lightheadedness, cold hands and feet, headaches, easy bleeding ...
Red blood cells normally survive an average of about 120 days, becoming damaged (their oxygen-carrying capacity becomes compromised) as they age.
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 ]
Alcoholism commonly causes a macrocytosis, although not specifically anemia. Other types of liver disease can also cause macrocytosis. Drugs such as methotrexate, zidovudine, and other substances may inhibit DNA replication such as heavy metals; Macrocytic anemia can be further divided into "megaloblastic anemia" or "nonmegaloblastic macrocytic ...
In response to decreased tetrahydrofolate (THF), the cell begins to transcribe more DHF reductase, the enzyme that reduces DHF to THF. Because methotrexate is a competitive inhibitor of DHF reductase, increased concentrations of DHF reductase can overcome the drugs inhibition. Many new drugs are under development to reduce antifolate drug ...
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 ...
Methotrexate treats cancer, lupus, rheumatoid arthritis, psoriasis but can cause birth defects. Some women can't get it because of abortion laws, fear punishment.
Anemia in kidney disease and dialysis results from the diseased kidney's inability to produce enough of the hormone erythropoietin. Erythropoietin is used to stimulate an adequate production of red blood cells from the bone marrow. [24] Anemia of prematurity: P61.2: Anemia of prematurity is a form of anemia affecting preterm infants [25] with ...