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)
The symptoms of hyperthyroidism -- including weight loss, rapid heartbeat, insomnia, irritability, heat intolerance and a constantly âwiredâ feeling -- generally catch womenâs attention sooner than those of hypothyroidism. A common cause of hyperthyroidism is Gravesâ disease, an autoimmune disorder of the thyroid.An underactive thyroid, called hypothyroidism, however, is a whole different story. âThe symptoms are usually mild and non-specific, so itâs easy to attribute them to many other things... common cause of hyperthyroidism is Gravesâ disease, an autoimmune disorder of the thyroid. An underactive thyroid, called hypothyroidism, however, is a whole different story. âThe symptoms are usually mild and non-specific, so itâs easy to attribute them to many other things...