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Suggest Dosage For Liothyronine

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Posted on Tue, 31 Oct 2017
Question: I take 5mcg of liothyronine daily. My wake time varies greatly from 8 am to 11 am. Should i still take it at 11 am? How long does med stay in your body?
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Answered by Dr. Mirjeta Guni (49 minutes later)
Brief Answer:
About liothyronine;

Detailed Answer:
Hello and thank you for asking!

Liothyronine is an option for routine thyroid hormone replacement. It has a half-life of 24 hours. (although the stated biological half-life is 2.5 days).

This compares to a half-life of 7 days with levothyroxine. It takes 2 weeks to get off our body.

The starting dose of liothyronine start at 5 mcg daily ( It usually is taken as a single dose before breakfast every day) and increase by 5 mcg every two weeks.

However, it should be noted that liothyronine should be taken with levothyroxine when liothyronine is taken long-term to avoid potential heart rate and rhythm abnormalities (your treating physician will explain in details).

Hope the information will help.
Feel free to ask further.

Best wishes,
Dr.Mirjeta

Note: For more information on hormonal imbalance symptoms or unmanaged diabetes with other comorbid conditions, get back to us & Consult with an Endocrinologist. Click here to book an appointment.

Above answer was peer-reviewed by : Dr. Arnab Banerjee
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Answered by
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Dr. Mirjeta Guni

Endocrinologist

Practicing since :2006

Answered : 2413 Questions

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Suggest Dosage For Liothyronine

Brief Answer: About liothyronine; Detailed Answer: Hello and thank you for asking! Liothyronine is an option for routine thyroid hormone replacement. It has a half-life of 24 hours. (although the stated biological half-life is 2.5 days). This compares to a half-life of 7 days with levothyroxine. It takes 2 weeks to get off our body. The starting dose of liothyronine start at 5 mcg daily ( It usually is taken as a single dose before breakfast every day) and increase by 5 mcg every two weeks. However, it should be noted that liothyronine should be taken with levothyroxine when liothyronine is taken long-term to avoid potential heart rate and rhythm abnormalities (your treating physician will explain in details). Hope the information will help. Feel free to ask further. Best wishes, Dr.Mirjeta