A blood test can determine the amount of T3 and T4 hormones and diagnose the condition reliably.
Synthetic hormones are available to treat hypothyroidism. Treatment of hypothyroidism usually relieves most symptoms within a week, although it takes some months for all the symptoms to disappear.
Reviewed by Dr Wayne May, Endocrinologist Kingsbury Hospital, Cape Town February 2015.
Previously reviewed by Dr P.H.S. van Zijl, MB.Ch B. MMed (Int).