HomeAnswersDiabetologylevothyroxineI have recently gained weight. Should my Eltroxin dose be increased?

I have recently gained weight. Should my Eltroxin dose be increased?

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The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Answered by

Dr. Bindiya Thakkar

Medically reviewed by

Dr. K. Shobana

Published At September 19, 2017
Reviewed AtJuly 5, 2023

Patient's Query

Hello doctor,

I am a 35 year old female. I have been diagnosed with Hashimoto's hypothyroidism and was prescribed Eltroxin 50 mcg. I recently gained 4 kg and have not been able to lose them. I am suffering from chronic constipation and I feel drowsy and tired all the time. I did some blood tests for my thyroid gland function and the results are as follows: T4 free 10.2 pmol/L, TSH third generation 4.71 IU/ml, Antithyroid peroxidase ab 122 IU/ml, Ferritin 24 ug/L, B12 192 pg/ml and Vitamin D3 33.6 nmol/L. I have been on Eltroxin for 12 days and nothing has changed. Constipation and the drowsiness are still there and I am wondering if I can increase the dose and if so to how much per day?

Hello,

Welcome to icliniq.com.

The labs and symptoms are consistent with hypothyroidism. For your weight, you can safely take 75 micrograms Eltroxin (Levothyroxine). Although the symptoms can take four to six weeks to improve. I recommend another TSH (thyroid-stimulating hormone) test in four weeks after increasing the dose. It is also important to take the medication on an empty stomach without any coffee or juice and wait 30 minutes to eat anything. The other medications should be separated by four hours.

Patient's Query

Thank you doctor,

I take the medication in the morning without anything but water, and I wait at least 30 minutes before I eat anything. But, sometimes I do not eat anything for two to three hours. Also, I take birth control Dian 35 at night before I sleep. Does this affect the medication?

Hello,

Welcome back to icliniq.com.

The birth control can change the dose requirement. So, it is important to check for TSH (thyroid stimulating hormone) whenever the birth control is changed or stopped.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Bindiya Thakkar

Dr. Bindiya Thakkar

Endocrinology

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