Secure online access to Cleveland Clinic's specialists for over 1,200 medical diagnoses, nutritional consultation and pre-adoption advice

Cleveland Clinic News  The latest from our experts

Underactive Thyroid: Is Yours Being Overtreated?

ThyroidIs your underactive thyroid being overtreated?

If your thyroid gland is underactive — a condition called hypothyroidism — your body produces too little thyroid hormone.

Endocrinologists can make sure that you have enough of this important hormone by prescribing synthetic thyroid hormone T4 (Synthroid®, Levoxyl®, Levothroid® or another brand). Or they may prescribe a medication containing both T4 and T3, another thyroid hormone (Armour® Thyroid, Nature-Throid™, etc).

To feel your best, you need the right amount of replacement thyroid hormone in your system, stresses Mario Skugor, MD, of Cleveland Clinic’s Department of Endocrinology, Diabetes and Metabolism.

Weight changes are key: your dose of thyroid hormone is based on your weight, although doctors also have to keep the eye on your blood levels because some people have problems with absorption. Learn more