What’s wrong with sneezing and sniffling when you turn on the air conditioner?

Sneezing and runny nose when turning on the air conditioner are related to low temperature environment, allergic rhinitis and vasomotor rhinitis.
1. Low-temperature environment: For some people who have been in low-temperature air-conditioned rooms for a long time, sneezing and runny nose may occur due to poor air circulation and environment. Some people may also experience other symptoms such as nasal congestion, dizziness and weakness.
2. Allergic rhinitis: Allergic rhinitis patients will have an attack when cleaning the room, smelling the moldy odor and so on. Typical symptoms include itchy nose, paroxysmal sneezing, runny nose, nasal congestion, etc. Therefore, some patients may have sneezing and runny nose when they turn on the air conditioner.
3. Vasomotor rhinitis: patients may experience sneezing, runny nose, itchy nose, nasal congestion and other symptoms due to local vasodilatation. Among them, temperature change, dry and cold air stimulation, emotional changes, etc., may cause vasomotor rhinitis, so the disease will cause patients to sneeze and runny nose when the air conditioning.
It is recommended that those who sneeze and have a runny nose when turning on the air conditioner pay attention to indoor cleanliness and hygiene, more ventilation, such as more serious symptoms, should seek medical treatment in time.