Listen up! Don't take your ears for granted. Hearing loss is the third most common health problem in the U.S, and it can affect the quality of your life and relationships. About 48 million Americans have lost some hearing. Certain conditions, including age, illness, and genetics, may play a role in hearing loss.
Perilymph fistula has two main causes: 1  The most common causes of a perlymph fistula is trauma to the head or a sudden change in atmospheric presssure, called barotrauma, usually occurring on an airplane or scuba diving. 2  A perilymph fistula has been seen as a side effect of syphilis or Lyme disease.
1 Diabetes insipidus can be caused by low or absent secretion of the water-balance hormone vasopressin from the pituitary gland of the brain, or by a poor kidney response to this chemical messenger, which is also called antidiuretic hormone.entral diabetes insipidus. Central diabetes insipidus-caused by a lowered or absent secretion of vasopressin-can be primary or secondary. 3. Primary central DI may have an unknown cause in many cases (idiopathic), or there is an abnormality of the gene responsible for vasopressin.