Other Causes of hearing loss:
o Meningitis
o Acoustic neuroma:
A slow-growing tumor involving the Schwann cells of a vestibular nerve causing deafness, tinnitus, and disturbance of the sense of balance.
o Alport Syndrome:
A usually X-linked inherited disease that is typically more severe in males, is marked by hematuria, hearing loss, abnormalities of the eye, and progressive renal failure, and is caused by defect in or absent of collagen.
o Autoimmune Hearing Loss
o Cogan's Syndrome:
A rare rheumatic disease characterized by inflammation of the ears and eyes. Cogan's syndrome can lead to vision difficulty, hearing loss and dizziness.Cogan's syndrome most commonly occurs in a person's 20s or 30s.
o Head Trauma
o Congenital rubella syndrome
o Congenital atresia of the external auditory canal
o Congenital cytomegalovirus
o Congenital perilymphatic fistula
o Jervell & Lange-Nielsen Syndrome
o Osteogenesis Imperfecta:
A hereditary disease causing a defect or deficiency in collagen production and charachterised by extreme brittleness of the long bones and a bluish color of the whites of the eyes;called also fragilitas ossium, osteopsathyrosis.
o Waardenburg Syndrome:
An inherited genetic disorder marked by all, any, or none of deafness, a white forelock, widely spaced eyes, and heterochromia of the irises.
o Neurofibromatosis:
An inherited disorder characterized by brown spots on the skin, neurofibromas of peripheral nerves, and deformities of subcutaneous tissues and bone, Recklinghausen's disease.
o Toxoplasmosis:
Infectious disease caused by a sporozoan of the genus Toxoplasma (T. gondii) invading the tissues and may seriously damage the central nervous system especially of infants.
o Usher Syndrome:
An inherited disease, autosomal recessive trait, marked by congenital deafness or progressive hearing loss during childhood and by retinitis pigmentosa.
o Hurler syndrome:
Hurler syndrome is an inherited disease marked by skeleton deformities, hepatosplenomegaly, restricted joint flexibility, clouding of the cornea, mental retardation, and deafness; called also Hurler's disease.
o Leopard syndrome (multiple lentigines)
o Robinson type ectodermal dysplasia
o Cockayne syndrome
o Bjorn pili torti and deafness syndrome
o Multiple synostosis syndrome
o Hunter syndrome
o Hereditary nephritis
o Mohr syndrome
o Kartagener syndrome
o Fronto-metaphyseal dysplasia syndrome
o Morquio syndrome
o Stickler syndrome