Many permanent or temporary conditions can reduce thyroid hormone secretion and cause hypothyroidism. About 95% of hypothyroidism cases occur from problems that start in the thyroid gland. In such cases, the disorder is called primary hypothyroidism. (Secondary hypothyroidism is caused by disorders of the pituitary gland. Tertiary hypothyroidism is caused by disorders of the hypothalamus.)
The two most common causes of primary hypothyroidism are:
Hypothyroidism is the most common type of thyroid disorder, and is the situation where the thyroid fails to make enough thyroid hormone to... Read more »
Source: Harvard Decision Guide
What Is It? Hypothyroidism means you do not have enough thyroid hormones, which are made by the thyroid gland, located in the lower, front of the... Read more »
Source: HealthCentral Encyclopedia
Hypothyroidism is thyroid hormone deficiency. It can be due to primary disease of the thyroid gland itself or to the lack of stimulation of the... Read more »
Source: ADAM Encyclopedia
Hypothyroidism is a condition in which the thyroid gland does not make enough thyroid hormone.See also:Chronic thyroiditis (Hashimoto's... Read more »
Brand Name: Adderall and Adderall XR Generic Name: amphetamine, dextroamphetamine Usage: Adderall and Adderall XR have been approved by the... Read more »
Source: ADAM Encyclopedia
Neonatal hypothyroidism is decreased thyroid hormone production in a newborn. In very rare cases, no thyroid hormone is produced.If the baby was born... Read more »