Folic Acid Deficiency
This problem may be caused by:
- Not getting enough folate in the diet
- Not absorbing enough folate from the digestive tract
- Needing more folate than normal, such as during pregnancy
- Procedures or medicine that block absorption or raises the need for folate
Things that may raise the risk of this problem are:
Not getting enough folate in the diet due to:
- Poor nutrition
- Long-term need for IV nutrition
Having conditions and procedures that affect the body's ability to absorb folate from the digestive tract, such as:
- Inflammatory bowel disease
- Celiac disease or other malabsorption disorders
- Certain medications, such as anticonvulsants and oral contraceptives
- Bariatric surgery
Needing more folate than normal due to:
- Pregnancy or breastfeeding
- Growth in infants
- Liver disease
- Chronic hemolytic anemia
- Kidney dialysis
- Taking certain medicines, such as methotrexate
- Elevated homocysteine levels in the blood
Problems may be:
- Feeling very tired
- Lack of hunger
- Pale skin
- A red, irritated, swollen, and sometimes shiny tongue
- Mouth sores
- Shortness of breath and lightheadedness
- Change in bowel patterns, such as loose stools
Folate deficiency can lead to problems such as:
- Megaloblastic anemia—larger than normal red blood cells
- Elevated homocysteine levels in the blood—a risk factor for heart disease
- Neural tube defects that affect fetal spinal cord, brain, and skull development
Any underlying causes may be treated.
The goal of treatment is to increase folate levels. This can be done with a folic acid supplement.
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
Edits to original content made by Denver Health.
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