Why does my nose itch and sneeze when I blow on the air conditioner?

Once blowing the air conditioning nose itchy and sneezing, most of the consideration is allergic rhinitis or vasomotor rhinitis caused by the need to deal with the symptoms according to the specific situation.
1. Allergic rhinitis: also known as allergic rhinitis, the wind blown by the air conditioner may contain dust, mites and other allergic substances, if the patient is allergic to them, sneezing, runny nose, itchy nose, nasal congestion and other symptoms. You need to stay away from allergens as much as possible, and you can also take anti-allergy drugs such as loratadine orally to relieve the symptoms.
2. Vasomotor rhinitis: air conditioning, if the temperature is excessive, the patient is exposed to cold air stimulation may induce vasomotor rhinitis, which may show symptoms such as nasal congestion, sneezing, runny nose, etc. The symptoms of nasal congestion, runny nose and sneezing can be improved by improving the humidity and temperature in the room or by applying budesonide.
The appearance of a blowing air conditioning on the nose itching, sneezing, it is recommended to seek medical attention as soon as possible, under the guidance of the physician symptomatic treatment, do not self-medication treatment.