The causes of primary versus secondary hyperthyroidism differ. Thyroid problems cause primary hyperthyroidism while problems in the pituitary gland cause secondary hyperthyroidism. Hyperthyroidism ...

Primary hypothyroidism occurs when the thyroid gland cannot produce enough thyroid hormones. Secondary hypothyroidism occurs when the thyroid gland functions correctly but the pituitary gland or ...

Primary vs secondary hypothyroidism. The majority of women with hypothyroidism have primary hypothyroidism, which is most commonly due to chronic autoimmune thyroid disease (the goiter form of ...

Hypothyroidism has been recognized as a cause of secondary hypertension. Previous studies on the prevalence of hypertension in subjects with hypothyroidism have demonstrated elevated blood ...