“…toxoplasmosis, syphilis, herpes and cytomegalovirus), or side effects of antiretroviral therapy. On the other hand, sudden onset hearing loss has been reported in only a limited number of patients with HIV infection [1–5], and the mechanism that contributes to the association between HIV infection and SSNHL is still unclear [4]. SSNHL is defined as sensorineural hearing loss of at least 30 dB in three contiguous audiometric frequencies occurring over 3 days or less, and viral infection, inner ear ischemia or hemorrhage, and disruption of cochlear membrane have been suggested as possible causes [7].…”