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.
In the past, a condition called cholesteatoma was a common cause of perilymph fistula, but this condition is now encountered only rarely because of improved antibiotic treatments. It is possible that there are occasionally fistulae associated with tiny cracks in the bone between the middle and inner ear.
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.