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</div><div><span>Folate-deficiency anemia</span></div></div>
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</a><h1 class="with-also" itemprop="name">Folate-deficiency anemia</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p>Folate-deficiency anemia is a decrease in red blood cells (<a test="test" href="./000560.htm">anemia</a>) due to a lack of folate. Folate is a type of B vitamin. It is also called folic acid. </p><p>
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Anemia is a condition in which the body does not have enough healthy red blood cells. Red blood cells provide oxygen to body tissues.</p></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>Causes</h2></div><div class="section-button"><button type="submit" aria-controls="section-1" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-1"><p>Folate (folic acid) is needed for red blood cells to form and grow. You can get folate by eating green leafy vegetables and liver. However, your body does not store folate in large amounts. So, you need to eat plenty of folate-rich foods to maintain normal levels of this vitamin.</p><p>In <a test="test" href="./000354.htm">folate-deficiency</a> anemia, the red blood cells are abnormally large. Such cells are called macrocytes. They are also called megaloblasts, when they are seen in the bone marrow. That is why this anemia is also called a type of megaloblastic anemia.</p><p>Causes of this type of anemia include:</p><ul><li>Too little folic acid in your diet</li><li><a test="test" href="./000571.htm">Hemolytic anemia</a></li><li>Long-term <a test="test" href="./000944.htm">alcoholism</a></li><li>Use of certain medicines (such as phenytoin [Dilantin], methotrexate, sulfasalazine, triamterene, pyrimethamine, trimethoprim-sulfamethoxazole, and barbiturates) </li></ul><p>The following raise your risk for this type of anemia:</p><ul><li>Alcoholism</li><li>Eating overcooked food</li><li>Poor diet (often seen in the poor, the older people, and people who do not eat fresh fruits or vegetables)</li><li>Pregnancy</li><li>Weight loss diets</li></ul><p>Folic acid is needed to help a baby in the womb grow properly. Too little <a test="test" href="./002092.htm">folic acid during pregnancy</a> may lead to birth defects in a baby. </p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Symptoms</h2></div><div class="section-button"><button type="submit" aria-controls="section-2" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-2"><p>Symptoms may include:</p><ul><li><a test="test" href="./003088.htm">Fatigue</a></li><li>Weakness</li><li><a test="test" href="./003024.htm">Headache</a></li><li><a test="test" href="./003244.htm">Pallor</a></li><li>Sore mouth and tongue </li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Exams and Tests</h2></div><div class="section-button"><button type="submit" aria-controls="section-3" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-3"><p>Your health care provider will perform a physical exam. Tests that may be done include:</p><ul><li><a test="test" href="./003642.htm">Complete blood count</a> (CBC)</li><li>Red blood cell folate level </li></ul><p>In rare cases, a <a test="test" href="./003658.htm">bone marrow aspiration</a> may be done. </p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Treatment</h2></div><div class="section-button"><button type="submit" aria-controls="section-4" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-4"><p>The goal is to identify and treat the cause of the folate deficiency.</p><p>You may receive folic acid supplements by mouth, injected into muscle, or through a vein (in rare cases). If you have low folate levels because of a problem with your intestines, you may need treatment for the rest of your life. </p><p>Diet changes can help boost your folate level. Eat more green, leafy vegetables and citrus fruits.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Outlook (Prognosis)</h2></div><div class="section-button"><button type="submit" aria-controls="section-5" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-5"><p>Folate-deficiency anemia most often responds well to treatment within 3 to 6 months. It will likely get better when the underlying cause of the deficiency is treated. </p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Possible Complications</h2></div><div class="section-button"><button type="submit" aria-controls="section-6" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-6"><p>Symptoms of anemia can cause discomfort. In pregnant women, folate deficiency has been associated with neural tube or spinal defects (such as <a test="test" href="./001558.htm">spina bifida</a>) in the infant.</p><p>Other more severe complications may include:</p><ul><li>Curly graying hair</li><li>Increased skin color (pigment)</li><li><a test="test" href="./001191.htm">Infertility</a></li><li>Worsening of heart disease or <a test="test" href="./000158.htm">heart failure</a></li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>When to Contact a Medical Professional</h2></div><div class="section-button"><button type="submit" aria-controls="section-7" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-7"><p>Contact your provider if you have symptoms of folate deficiency anemia.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Prevention</h2></div><div class="section-button"><button type="submit" aria-controls="section-8" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-8"><p>Eating plenty of folate-rich foods can help prevent this condition. </p><p>Experts recommend that women take 400 to 800 micrograms (mcg) of folic acid every day before they get pregnant and through the first 3 months of their pregnancy.</p></div></div></section><section><div class="section sec-mb"><div class="section-header"><div class="section-title"><h2>Images</h2></div><div class="section-button"><button type="submit" aria-controls="section-tnails" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/1214t.jpg" alt="Megaloblastic anemia - view of red blood cells" title="Megaloblastic anemia - view of red blood cells" class="side-img"/><a href="../imagepages/1214.htm">Megaloblastic anemia - view of red blood cells</a></li>
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/9123t.jpg" alt="Blood cells" title="Blood cells" class="side-img"/><a href="../imagepages/9123.htm">Blood cells</a></li>
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</ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>References</h2></div><div class="section-button"><button type="submit" aria-controls="section-Ref" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Ref"><p>Antony AC. Megaloblastic anemias. In: Hoffman R, Benz EJ, Silberstein LE, et al, eds. <em>Hematology: Basic Principles and Practice</em>. 8th ed. Philadelphia, PA: Elsevier; 2023:chap 40.</p><p>Kumar V, Abbas AK, Aster JC. Hematopoietic and lymphoid systems. In: Kumar V, Abbas AK, Aster JC, Deyrup AT, Das A, eds. <em>Robbins and Kumar Basic Pathology</em>. 11th ed. Philadelphia, PA: Elsevier; 2023:chap 10.</p><p>Stabler SP. Megaloblastic anemias. In: Goldman L, Cooney KA, eds. <em>Goldman-Cecil Medicine</em>. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 150.</p></div></div></section>
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