Thyroid UK
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i was diagnosed with underactive thyroid 21/12/12, and been on lethyroxine 75m since, recent blood test shows normal but i still feel unwell

i feel tired constantly like i havent slept although sleeping 8-10hours a night. i feel emotional and as though i have a hangover without the consumption of alcohol,i also have constant puffy eyes. can anybody advise if this is normal and should i give the medication time

5 Replies

What is probably not normal is your TSH result as many GP's say we are in the 'normal' range rather than asking how well we feel. If you get a copy of your most recent thyroid gland blood test results complete with the ranges (as labs differ). You are entitled to your results. If you haven't had a recent one ask for another as you aren't feeling well and also ask for iron, ferritin, folate, Vit B12 and Vit D as they are very important. Post results in a new question.


doctor did mention my folic acid was low, but wasnt giving me tablets for this, i will ring for the results thanks


For low folic acid you can get it through diet. If prescribed folic acid they have to check your B12 first as can mask B12 problems.


Make sure your TSH is below 2. You may find it takes a while to get better.


Hi you need all above but especially Free T3 ,you might benefit from T3 on a script + thyroxine ( T4 )it usually helps weight and lowers the TSH.

Best wishes,



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