Thyroxine

Uses of Thyroxine

Thyroxine/Levothyroxine is commonly used in the treatment of Hypothyroidism and Myxedema Coma

How Thyroxine Works

Thyroxine/Levothyroxine works by increasing the metabolism rate of the cells. There is deiodination of T4 in peripheral tissues to form an active form of thyroid hormone, Tri-iodothyronine or T3 which acts more rapidly in the body.

Side Effects of Thyroxine

Increased appetite, Weight loss, Sensitive to heat, Excessive sweating, Headache, Increase heartbeat, Nervousness, Anxiety, Tremors

Warnings

Kidney Safe If Prescribed

This medication alleviates the adverse effects of hypothyroidism on the kidney and reduces the declination of renal functions in patients suffering from chronic kidney disease underlying with subclinical hypothyroidism.

Alcohol Safe

Limited data on the consumption of alcohol while taking the medication, however, drinking alcohol within the guidelines while taking Thyroxine have not known to cause any adverse reactions

Pregnancy Limited Data

Hypothyroidism in pregnant mothers should be treated. Therefore, thyroid replacement therapy should be promptly given. The doctor should adjust doses as required and monitor thyroid stimulating hormone (TSH) levels

Driving Generally Safe

Thyroxine usually does not the ability to drive. Do not drive unless you are feeling well.

Liver Limited Data

It is metabolized in the liver so adjustment of doses may be necessary. Do consult your doctor before taking this medication.

Lactation Limited Data

Please consult your doctor if you are taking this medication while breastfeeding your baby. However, the effect of Thyroxine on the baby is contentious since it is excreted into breast milk in minimally.

Frequently Asked Questions

Written by , MD (Universiti Hasanuddin, Indonesia)

Reviewed by Dr Nur Syuhada binti Zulkifli, MD, Universiti Kebangsaan Malaysia (UKM).