Sneezing is most commonly caused by allergic rhinitis, which is a clinical symptom that occurs after allergic factors come into contact with the allergic organism, such as sneezing, runny nose, nasal congestion, nasal itching and itching in the inner canthus of the eye. The treatment plan is mainly anti-allergic medication, such as antihistamine anti-allergic drug cetirizine hydrochloride or stavastine hydrochloride tablets, together with the nasal spray drug Nesuna or Cozulan, can be added with rhinitis medication, such as Cang Er Zi Rhinitis Drops or Nasal Yuan Shu Oral Liquid. Many people are allergic to dust mites because of their exposure to the air. If you pay attention to your diet and use medication, the remission period may be more than six months or a year.