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A member asked:
Hypothyroidism (tsh 5.1mu/l, no anti-bodies),try to conceive,on levothyroxine 25 micrograms/day for 4 weeks, tsh down to 0.4. is my dosage too high?
2 doctors weighed in across 2 answers
Yes, a bit high: Thyroid replacement targets a range usually from 0.8-3.8 TSH. In elderly 0.4 is excessive and even in young may cause palpitations.
Answered 7/11/2014
3.9k views
More information:: Without other thyroid tests it is hard to be exact. But once Thyroxine supplementation takes hold the TSH value will go down. As you are providing the thyroid hormone by tablet form, and your feedback loop becomes down regulated causing the TSH to decrease reflexively.
Answered 7/11/2014
3.9k views
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