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5%) patients in the NSU group and 24 (77.4%) patients NSU group. (p = 0.071, 0.279, respectively). The duration of the olfactory (6.6 ± 2.5days) and gustatory dysfunction (6.1 ± 2.6days) and the mean SNOT-22 total score (11.9 ± 1.6) was significantly lower in the NSU group (p 0.001, CI 11.1-5.1, CI 9.9-4.6, CI 9.3-5.9, respectively). Although nasal steroid use does not prevent olfactory and gustatory dysfunction in COVID-19 patients, it may reduce the severity and duration of these symptoms. Although nasal steroid use does not preve