Folic Acid Deficiency Anemia
Folate, or folic acid, is a type of B vitamin. It helps to:
produce red blood cells (RBCs)
If you don’t have enough folate in your diet, you may end up with a folate deficiency. Certain drinks and foods, such as citrus juices and dark green vegetables, are particularly good sources of folate. Not eating enough folate can lead to a deficiency in just a few weeks. Deficiency may also occur if you have a disease or genetic mutation that prevents your body from absorbing or converting folate to its usable form.
Folate deficiency can cause anemia. Anemia is a condition in which you have too few RBCs. Anemia can deprive your tissues of oxygen it needs because RBCs carry the oxygen. This may affect their function.
Folate is particularly important in women of childbearing age. A folate deficiency during pregnancy can lead to birth defects. Most people get enough folate from food. Many foods now have additional folate to prevent deficiency. Nevertheless, supplements are recommended for women who may become pregnant.
What are the symptoms of folate deficiency?
The symptoms of folate deficiency are often subtle. They include:
The symptoms of anemia that occur due to folate deficiency include:
shortness of breath
What causes folate deficiency?
Folate is a water-soluble vitamin. It dissolves in water and isn’t stored in your fat cells. This means that you need to keep taking folate as your body cannot develop a reserve.
People release excess amounts of water-soluble vitamins in their urine.
The causes of folate deficiency include:
A diet low in fresh fruits, vegetables, and fortified cereals is the main cause of folate deficiency. In addition, overcooking your food can sometimes destroy the vitamins. Folate levels in your body can become low in just a few weeks if you don’t eat enough folate-rich foods.
Diseases that affect absorption in the gastrointestinal tract can cause folate deficiencies. Such diseases include:
certain types of cancers
severe kidney problems that require dialysis
Some people have a genetic mutation that hinders their body from properly and efficiently converting dietary or supplemental folate to its usable form, methylfolate.
Medication side effects
Certain medications can cause folate deficiency. These include:
Excessive alcohol intake
Alcohol interferes with folate absorption. It also increases folate excretion through the urine.
How is a folate deficiency diagnosed?
Folate deficiency is diagnosed with a blood test. Doctors will often test the folate levels of pregnant women during their prenatal checkups.
What are the complications of folate deficiency?
Folate is required for the normal production of RBCs. Complications of a deficiency may include:
megaloblastic anemia, which means the RBCs are larger than normal and not fully developed
low levels of white blood cells and platelets
serious birth defects in the spinal cord and brain of a developing fetus, which are called neural tube defects.
Treatment of folate deficiency
Treatment involves increasing the dietary intake of folate. You can also take a folate supplement. Those with a genetic mutation that affects folate absorption, known as MTHFR, need to take methylated folate in order to avoid deficiency.
Folate is frequently combined with other B vitamins in supplements. These are sometimes called vitamin B complexes. Pregnant women should completely avoid alcohol, and everyone else with a folate deficiency should decrease their alcohol intake.
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Prevention of folate deficiency
Eat a nutritious diet to prevent folate deficiency. Foods that contain high amounts of folate include:
leafy, green vegetables, such as broccoli and spinach
fruits, such as bananas and melons
The recommended folate dose is 400 micrograms per day. Women who may become pregnant should take a folate supplement. Folate is critical for normal fetal growth.
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People who take medications known to cause folate deficiency should take a supplement as well, but it’s important to check with your doctor first.
One test that your doctor may use to help diagnose you is the Schilling test. The Schilling test is a blood test that evaluates your ability to absorb vitamin B-12.