Sneezing with odor may be caused by sinus inflammation, oral diseases and other reasons. 1. Inflammation of the sinuses: patients with inflammation of the sinuses are usually accompanied by a large amount of secretion and odor. When the patient sneezes, a large amount of nasal secretions will be sprayed out directly with the sneeze, thus making the sneeze contain odor. 2. Oral odor: If the oral cavity is not cleaned properly and there is odor or oral diseases, it is possible that the saliva in the oral cavity has an odor. And when you sneeze, saliva will also be sneezed out with the sneeze. As a result, an odor develops. Sneezing odor may also be other reasons, such as nasal foreign body, etc. It is recommended that patients go to the hospital in time for a detailed examination to clarify the cause of the disease, and early treatment.