Toxic deafness is a medical condition that occurs due to the exposure of toxic substances that damage the inner ear. This damage can lead to hearing loss or complete deafness. The spelling of the word is pronounced as /tɒksɪk ˈdɛfnəs/ in IPA phonetic transcription. The stress is on the second syllable and the 's' sound is pronounced as 'z'. The word is comprised of two parts 'toxic' and 'deafness', which indicate its meaning. People who work in hazardous industries or are in regular contact with harmful chemicals are at a greater risk of developing toxic deafness.
Toxic deafness refers to a condition where an individual suffers from hearing loss or impairment due to consistent exposure to harmful or poisonous substances. It is a term commonly used in medical and occupational settings, where individuals are regularly exposed to loud noise or chemicals that can damage their auditory system.
The term "toxic" in toxic deafness signifies the harmful nature of the substances causing the hearing loss. These substances may include industrial chemicals, solvents, pesticides, certain medications, or heavy metals, such as lead or mercury. Exposure to these toxins can lead to permanent damage to the inner ear, including the delicate hair cells responsible for converting sound vibrations into electrical signals. This damage can result in varying degrees of hearing loss, ranging from mild to profound.
Deafness caused by toxic exposure typically occurs gradually over time as the toxic substances accumulate in the body. Persistent exposure without appropriate protective measures can result in irreversible hearing loss. It is important to note that toxic deafness may not be immediately evident, as the symptoms can be subtle or masked by other factors.
Prevention and mitigation play crucial roles in managing toxic deafness. Protective measures, such as wearing appropriate ear protection and implementing occupational safety protocols, are essential for individuals working in high-risk environments. Regular monitoring of exposure levels and screening for potential hearing loss are also important strategies in early detection and intervention. Treatment options for toxic deafness may include the use of hearing aids, cochlear implants, or other rehabilitative therapies, depending on the severity of the condition.
Loss of hearing due to injury of the auditory nerve by certain drugs and poisons, such as quinine and tobacco.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.