PT - JOURNAL ARTICLE AU - Brian Schroer AU - Lily C. Pien TI - Nonallergic rhinitis: Common problem, chronic symptoms AID - 10.3949/ccjm.79a11099 DP - 2012 Apr 01 TA - Cleveland Clinic Journal of Medicine PG - 285--293 VI - 79 IP - 4 4099 - http://www.ccjm.org/content/79/4/285.short 4100 - http://www.ccjm.org/content/79/4/285.full SO - Cleve Clin J Med2012 Apr 01; 79 AB - Nonallergic rhinitis can significantly affect a patient’s quality of life. It is difficult to distinguish from allergic rhinitis, but it has different triggers, and its response to treatment can vary. We review its differential diagnosis, causes, and treatment.