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Altered T3 and T4 levels after changing thyroid medication. What to do?

Hi , Been taking levothyroxine 200mcg for 2 years .. recently prior to xmas had a different brand mercury phama and this has upset my levels .. TSH is ok remaining at 0.1 but it has effected my T3 or 4 as gp states it had gone up to 35 however it is reducing after a change back to activis brand to 27 .. just had another test to see if dropped further... what should it be ? and will it have damaging effects?
Asked On : Sat, 23 Mar 2013
Answers:  1 Views:  17
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General & Family Physician 's  Response
no need of any test tsh level is below normal as it is 0.3-4.2 & i recommend to decrease ur levothyroxine dose to 50 :)
Answered: Sun, 24 Mar 2013
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