A member asked:

I was prescribed 125 mg levothyroxine by a er dr. with a tsh level of 0.40 does that seem too high? (total thyroidectomy w/parathyroid removal 11mos)

6 doctors weighed in across 2 answers

TSH level: A TSH of 0.4 is at the lower end of normal by most assays. You may need to have your dose decreased slightly. You should be getting your care and thyroid dose adjustment by your PCP, someone who sees you regularly, and not by an ER doc who you only see once.

Answered 8/16/2017

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Dr. Larry Eastburn answered

Specializes in Family Medicine

Get 2nd opinion: If the lab studies given are correct you should not need any supplemental thyroid therapy. If you have a low TSH it generally means that your thyroid is functioning at a high level. Factors to consider are why you had the thyroid removed, have you been on previous meds and has a T4, T3, (liothyronine) and Free Thyroxine been done. Have you been having any symptoms, if not, seek a second opinion before starting.

Answered 10/15/2014

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