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No sponsorships or competing interests have been disclosed for this article. Objective. Concurrent chemoradiotherapy (CCRT) has become the treatment of choice for oropharyngeal and hypopharyngolaryngeal cancers in many centers. Although it has increased the rates of organ preservation, there has also been an increase in treatment-related complications. We aimed to evaluate the functional outcomes of CCRT in head and neck cancer. Study Design. Case series with chart review. Setting. Tertiary cancer center. Subjects and Methods. A retrospective study of patients treated with CCRT at the University of Arkansas for Medical Sciences was performed. Demographic data and treatment outcomes were extracted, specifically feeding tube and tracheotomy dependence and number of esopha-geal dilatations. Results. Of the 243 patients treated with concurrent che-moradiotherapy (5-flourouracil 1 cysplatin and radiother-apy), 152 patients received a feeding tube. The median percutaneous gastrostomy tube (PEG) use was 9 months (range, 1-96 months). More than 70 % of the patients who had a PEG more than 6 months had a T3 or T4 tumor. Thirty-seven patients underwent esophageal dilatations, (median, 1; range, 1-7). The median use of a tracheotomy was 7 months, and 77 % of these patients were treated for hypopharyngolaryngeal cancer. Conclusions. Despite major improvement in locoregional control rates, CCRT has a significant negative impact on the functional outcomes of head and neck cancer patients, with a high number of patients remaining PEG and tracheotomy dependent. Keywords functional outcomes, head and neck cancer, chemoradiother