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A member asked:
Can birth control pill (viorele) interact with synthroid (thyroxine) medication at all and can birth control affect tsh or ft4 levels at all?
A doctor has provided 1 answer
TBG increase: Oral contraceptive pills increase thyroid binding globulin (TBG) which can affect T3 (liothyronine) levels, but not interfere with the Synthroid's effectiveness.
Answered 5/9/2016
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Related Questions
A member asked:
On75mcg synthroid (thyroxine).Y TSH levels of 4.57 (fT41.2) after a 3-4 wk chemical pregnancy hv reduced to 0.25 wit free T4 1.8.Did test 8 days after miscarryin?
3 doctors weighed in across 2 answers
A member asked:
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I started taking Synthroid (thyroxine) at 35 weeks pregnant because i developed slightly elevated TSH levels; when can I stop taking Synthroid (thyroxine) after giving birth?
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My T4 free was 1.0. TSH w/reflex to FT4 was 7.97. I have been on various doses of Synthroid (thyroxine) for years. Now is 112mg. Should it be higher dose?
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