Thyroid UK
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Hypothyroid and hair falling out

Hello there. I am hypothyroid and take 3 grains of dessicated thyroid a day. My hair has been falling out very excessively for 2 months. I believe half is gone. I am starting to panic. I had my blood work done and my levels are within range. I am wondering if I would benefit from adding synthetic t4. Any advice would be welcome. Thank you.

Free T4: 15 ( 11-23)

Free T3: 5 ( 3.5-6.5)

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Just being 'in-range', is not good enough. It's not the same as 'optimal'.

The most important number is the FT3. Yours is just exactly mid-range. That is too low, for the majority of people, so you have plenty of room for an increase.

And, it does seem rather low for someone taking NDT. So, the next question is : how do you take your NDT? Do you take it on an empty stomach, at least an hour before eating or drinking anything other than water, and at least two hours away from other medication or supplements?

Your FT4 is under mid-range, but that is usual when taking NDT. I cannot see the utility of taking extra T4 - and, frankly, synthetic T4 could make your hair-loss worse. What you need to do is work on the absorption and conversion of the hormone you are already taking.

To that end, have you had your vit D, vit B12, folate and ferritin tested? These all need to be optimal for your body to be able to absorb and use NDT. And, how about antibodies? Have they been tested?

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how long have you been on NDT ? the hair loss may have been triggered way back when you were really ill and it takes time to recover

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