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Although the majority of patients with sinus headache do not have rhinosinusitis, many patients will unnecessarily undergo work-up and treatment for rhinosinusitis. This leads to a significant cost burden to the healthcare system. In the era of value-based care, more effective management paradigms need to be developed for sinus headache. Recent efforts to classify nonrhinogenic headache, namely the International Classification of Orofacial Pain, have served as an important step in advancing our understanding of this heterogeneous condit