Treatment by Condition Related to phentermine. Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, expect as may be authorized by the applicable terms of use. CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals.
Many diseases and conditions can cause hyperthyroidism, including: 1  Graves disease (most common cause of hyperthyroidism)  Inflammation (thyroiditis) of the thyroid due to viral infections, some medicines, or after pregnancy (common)
Autoimmune reactions against the thyroid can cause hyperthyroidism; Graves' disease is one such condition. The immune system malfunctions, causing an increase in thyroid hormone. Goiter, a greatly enlarged thyroid gland, is seen in those with Graves' disease and is due to the excessive secretion of thyroid hormone.utoimmune reactions against the thyroid can cause hyperthyroidism; Graves' disease is one such condition. The immune system malfunctions, causing an increase in thyroid hormone. Goiter, a greatly enlarged thyroid gland, is seen in those with Graves' disease and is due to the excessive secretion of thyroid hormone.