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Thyroid UK
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Red and Sweating Hands and Feet - Hypo?


For about the last 5 weeks I've been experiencing redness and sweating in my hands and feet. My skin has also been feeling very sensitive. On some occasions when I get out of bed my whole legs were red and sweating, although this has stopped happening.

I went to the doctor and have had some blood tests which showed that I was high on one of the Thyroid related readings. I didn't note which element was high but it had a normal range of 12.0 - 22.0. I assume this is Free T4 as I've seen this range on various websites.

My reading was only 22.2, so not much above the high limit, but the last time I had a blood test in 2011 it was 14.0 .... so it has clearly increased.

The doctor wanted me to retest in 3 months to see if there is a trend upwards.

Do the symptoms I'm experiencing match what others experience with a slightly high T4 reading?

Thank you

2 Replies

Go to the surgery and ask for a print-out of your latest blood test results. We are entitled by law so don't be put off. Some charge a nominal sum for paper/ink. Mine charges 30p per sheet.

This will show your actual results and what was tested and put them on a new post for member to comment. They must have the ranges stated as labs differ and it makes it easier to comment. Ranges are in brackets.

With numbers members cannot respond.

Usually the doctor only tests TSH and T4 and it would be rare if they tested anything else for an initial diagnosis.


For full evaluation you ideally need TSH, FT4, FT3, TT4, TPO and TG antibodies, plus vitamin D, folate, ferritin and B12 tested

Private tests are available


Vitamindtest.org.uk - £28 postal kit

Medichecks Thyroid plus ultra vitamin or Blue Horizon Thyroid plus eleven are the most popular choice. DIY finger prick test or option to pay extra for private blood draw. Both companies often have money off offers.

All thyroid tests should be done as early as possible in morning and fasting. This gives highest TSH, lowest FT4 and most consistent results

Link about antibodies


Link about thyroid blood tests


list of symptoms



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