Background: Xerostomia is one of the one complications following radiotherapy that can affect quality of life (QoL). This study aims to assess the severity of xerostomia in patients with head and neck cancers after radiotherapy and its effect on QoL.
Methods: In this longitudinal prospective study, the severity of xerostomia and related QoL were was assessed in 63 head and neck cancer patients who referred to the Radiotherapy Ward.