Blowing air conditioning causes throat itching and coughing symptoms, it is likely that the air conditioning causes dry air, which causes throat itching and coughing symptoms, you can drink more water or add a humidifier in the house to relieve the symptoms of dry throat caused by coughing. If the air conditioner is not cleaned up in time, the air blown out contains many allergens, and if you have allergies, it is easy to cause allergies to occur, and you will have an itchy throat and cough. First of all, turn off the air conditioner, open the window for ventilation, and then take anti-allergy drugs for treatment, such as loratadine, desloratadine or paracetamol, cetirizine hydrochloride for anti-allergy treatment. Another reason may be the cold air conditioning, resulting in inflammation of the throat, you can take oral anti-inflammatory oral solution or Baodi Blue oral solution for anti-inflammatory treatment, if the cough is more serious, you can also take compound licorice combination for cough treatment.