A 42-year-old female asked:
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can low ferritin cause hypothyroidism?

2 doctor answers
Dr. Susan Wingo
32 years experience Endocrinology
No: Low ferritin suggests iron-deficiency, which can have some of the same symptoms as low thyroid. But neither iron levels or ferritin would directly affect the thyroid. Hypothyroidism is usually caused by autoimmunity, where the immune system makes antibodies targeting one's own proteins. If those antibodies target thyroid proteins, hypothyroidism can result.
Answered on Nov 11, 2012
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Dr. Susan Wingo
Dr. Susan Wingo commented
32 years experience Endocrinology
Provided original answer
TIP: If you do have both iron-deficiency and hypothyroidism, be sure to take iron pills at 3-4 hours apart from the thyroid pills.
Nov 4, 2012
Dr. Gurmukh Singh
48 years experience Pathology
No: Low ferritin is an indication of low iron and may be associates with anemia. It is not related to thyroid function.
Answered on Sep 21, 2019
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