A member asked:

Would taking 1500 mcg of synthroid (thyroxine) kill you?

A doctor has provided 1 answer
Dr. Harold Mandel answered

Specializes in General Practice

It's possible: The average full replacement dose of levothyroxine sodium is about 1.7 mcg/kg/day (e.g., 100-125 mcg/day for a 70 kg adult). Larger doses may result in serious or even life-threatening events.

Answered 4/4/2020

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