Dear Dr. Lupo,
My Endo & Hematologist have both told me that my low ferritin & my low vitamin D are not related to my thyroid. I have now been scheduled for an endoscopy and a colonoscopy has already ruled out any cancer or bleeding in that area. My endo has also told me that if the endoscopy comes back normal they will have to do a bone marrow test. In your experience is vitamin D & low ferritin related to Hashimotos in any way? Also, could it be possible cancer could be the reason behind the low ferritin & vitamin d? I am a 31 year old female who was diagnosed with Hashimotos after post partum 1 year ago from panic attacks & based on high thyroglobulin levels in the 300's but all thyroid levels are normal other than this. My endo prescribed me .5 Levoxyl for 2 months but then recently took me off because of weight gain & him thinking this could be a false negative. I am now confused do I have Hashimotos or not? I have anxiety related symptoms & weight gain & neck pain. I am scared though about the ferritin being so low at a 9. I am taking Foltrin for 4 months now and only at a 16, 2 of the months I was taking it with calcium & d so they were probably cancelling each other out. I hope you can respond & let me know your thoughts. I also have a .5mm nodule but to small to biopsy so they are watching it. I wish you were my dr. but I am in CA.
A high thyroglobulin level of 300's does not necessarily mean Hashi -- maybe this was a thyroglobulin antibody or there was a TPO antibody. Post-partum onset of autoimmune thyroid disease is common so this may well be the right diagnosis.
The primary thing to rule-out as a connection between Hashi and iron/Vit D deficiency would be celiac sprue (gluten sensititvity) -- can be done with blood tests as well as a small bowel biopsy. Would ask the GI doc doing the endoscopy about this possibility if it is not already being considered.
When the colonoscopy was performed I also did a blood test to rule out celiac & the dr. said my results were normal. Could irritable bowel cause this? I am not low in Iron just the ferritin & I bruise very easily.
Can Hashimotos cause the ferritin deficiency? My anxiety symptoms are pressure in head, hyperventilation syndrome, palpitations & I don't get panic attacks anymore because I learned what they were. I am sorry to ask you again about this but I am scared as to what the cause of low ferritin is. Can cancer also cause this?
Hashi does not cause low ferritin. In young menstruating women the most common cause is the menstrual bleeding. I don't think IBS causes low ferritin. More serious cases usually have low iron as well and anemia. This is not likely cancer.
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