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Do thyroid patients on Levothyroxine need regular dose checks?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I am 71 years old, five feet tall, and weigh 118 pounds. I take Levothyroxine sodium 100 mcg daily, five times a week. I felt good about this for about a year. Now I am exhausted, and have an achy body, brain fog, and constipation. A year ago, my thyroid levels were in the normal range. I want a thyroid specialist to let me know what they would recommend. My constipation was entirely relieved when I stopped the medicine for two days. Please tell me.

  1. Should the thyroid be checked and the medicines changed periodically?
  2. What changes would you recommend?

Please help.

Thank you.

Answered by Dr. Goswami Parth Rajendragiri

Education:

MBBS

Professional Bio:

Dr. Goswami Parth Rajendragiri is an experienced General Physician and Pathologist with extensive years of clinical expertise. He specializes in diagnosing and managing a wide range of medical conditions while providing holistic care to patients. As a Pathologist, he is skilled in performing and interpreting laboratory investigations that aid in accurate diagnosis and treatment planning. Dr. Rajendragiri is dedicated to delivering patient-focused care with a strong emphasis on preventive medicine and overall well-being.

This doctor is not available for online consultations on the platform anymore.

Hello,

Welcome to icliniq.com.

You have hypothyroidism as per history and taking Thyroxine for that. The dose of Levothyroxine is changed according to the serum TSH (thyroid-stimulating hormone) level. Therefore, the level of TSH should be maintained within range by changing the dose of Levothyroxine from 25 to 150 micrograms. At three to six months, the TSH level should be checked, and the dose of Thyroxine must be adjusted accordingly. This medication should be taken regularly without a break. In hypothyroidism, there is less production of thyroid hormone, so Levothyroxine is prescribed, and it should not be stopped. If TSH is within range, then a low dose of the drug can be given.

I hope this helps. Kindly revert for further queries.

Thank you.

Medically reviewed by iCliniq medical review team
Published At December 19, 2022
Reviewed At March 4, 2026

Education:

MBBS

Professional Bio:

Dr. Goswami Parth Rajendragiri is an experienced General Physician and Pathologist with extensive years of clinical expertise. He specializes in diagnosing and managing a wide range of medical conditions while providing holistic care to patients. As a Pathologist, he is skilled in performing and interpreting laboratory investigations that aid in accurate diagnosis and treatment planning. Dr. Rajendragiri is dedicated to delivering patient-focused care with a strong emphasis on preventive medicine and overall well-being.

This doctor is not available for online consultations on the platform anymore.

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Education:

MBBS

Professional Bio:

Dr. Goswami Parth Rajendragiri is an experienced General Physician and Pathologist with extensive years of clinical expertise. He specializes in diagnosing and managing a wide range of medical conditions while providing holistic care to patients. As a Pathologist, he is skilled in performing and interpreting laboratory investigations that aid in accurate diagnosis and treatment planning. Dr. Rajendragiri is dedicated to delivering patient-focused care with a strong emphasis on preventive medicine and overall well-being.

This doctor is not available for online consultations on the platform anymore.

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