Levothyroxine

Information About Levothyroxine

Uses of Levothyroxine

Thyroxine/levothyroxine is commonly used in the treatment of hypothyroidism and myxedema coma

How Levothyroxine 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 Levothyroxine

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

Authorship

Written By

Dr Mohd Ramzdhan Bin Mohd Masdar

MD (Crimea State Medical University)

Reviewed By

Dr Nur Syuhada binti Zulkifli

MD, Universiti Kebangsaan Malaysia (UKM)

Levothyroxine Related Warnings

Alcohol Safe

Limited data on the consumption of alcohol while taking the medication, however, drinking alcohol within the guidelines while taking levothyroxine 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

Lactation Limited Data

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

Driving Generally Safe

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

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.

Liver Limited Data

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