The GP may say your tests are o.k. but if you are not feeling well, and still have symptoms. NO you are not o.k.
What you most probably need is an increase in your medication. Dr Toft ex of the British Thyroid Association says we need a TSH below 1 or suppressed.
First of all, get a copy of your latest thyroid gland blood test results from your surgery. They must state the ranges (figures in brackets as it makes it easier to comment) and post on a new question You are entitled to them and get a copy each time you have a blood test for your own records. You can get better but unfortunately you have to learn more than your GP.
If you haven't had recent blood test results get new ones, plus Vit B12, Vit D, iron, ferritin and folate and post these too.
This is part of an answer to a question and the person is taking 50mcg:-
Moreover, the dose he prescribed, 0.05 mg, is extremely small. It’s so extremely small that it's highly unlikely you'll benefit from it in any way no matter how long you take it. On the other hand, that small a dose may actually slow your metabolism more and worsen your symptoms. Perhaps this has happened, in that you say your symptoms have worsened since you started taking Synthroid.
It’s tragic that millions of patients such as yourself suffer needlessly for years because their doctors prescribe extremely small doses of T4 products. I advise all patients such as you to persuade their doctors to prescribe a product that contains both T4 and T3, such as Armour or Thyrolar. I also advise them to see to it—one way or another—that they take a high enough dose for it to be effective. Otherwise, the patients are almost certain to continue suffering.
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