A member asked:

On 25mcg synthroid, (thyroxine)tsh reduced frm 4.67 to 2.61 in18 days.so decided 2 try to conceive.levels 12 days later-tsh 4.57; free t4 1.2; t3 103.whts d prob?

A doctor has provided 1 answer

Dr. Philip Kern answered

Thyroid replacement: 25 mcg is a very low dose. It appears that such a low dose did not really affect your TSH. 4.67 to 2.61 could be just random lab variation. Your baseline TSH of 4.67 is very close to normal. If the goal is to lower TSH, you may need a higher dose, but talk to your doctor.

Dr Ezeokoli and another doctor agreed

Answered 10/25/2014

3.6k views

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A member asked:

On 25mcg synthroid, (thyroxine)tsh reduced frm 4.67 to 2.61 in18 days.so decided 2 try to conceive.levels 12 days later-tsh 4.57; free t4 1.2; t3 103.whts d prob?

A doctor has provided 1 answer

Dr. Philip Kern answered

Dr Ezeokoli and another doctor agreed

Related Questions

A member asked:

Started with synthroid (thyroxine) 25 mcg 40 days back. Can I check my TSH level now? It was 9.8 with T3 & T4 in normal levels before medication

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Thyroid levels: TSH 6.620,T4 1.13 & T3 (liothyronine) is 2.3. I'm on 125 L- thyroxine 5 days. My doctor said take it 7 days. Will this help? Feeling low energy

A member asked:

Hi, could someone please help me decipher my test results? Tsh 2.100 range 0.450-4.500 thyroxine (t4) 4.5 4.5-12 T3 (liothyronine) uptake 31 24-39 free thyrox

A member asked:

Can u help decipher my lab test? Tsh 2.100 range 0.450-4.500 thyroxine (t4) 4.5 4.5-12 T3 (liothyronine) uptake 31 24-39 free thyroxine index 1.4. 1.2-4.9 t4, free(direct) 0.82 .82-1.7 free T3 (liothyronine) 1.8?

A member asked:

Does normal (1.01) "thyroxine (t4) free, direct, s, " normal (0.931) "tsh, " and low (67) "triiodothyronine (t3)" = Synthroid dose good? Or go up/down?

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