ENT UPDATES, vol.7, no.3, pp.113-119, 2017 (ESCI)
Objective: This study was conducted to investigate nasal nitric oxide (nNO) and its metabolites nasal nitrite-nitrate (nNOx) in patients with allergic rhinitis (AR), the effects of two different drugs (oral antihistamine and intranasal steroid) on nNOx and the presence of a correlation between nNOx and clinical parameters.