Relief from feeling nauseous and dry heaving as soon as you leave the house in winter depends on the specific cause of the condition. Usually the causes include cold air allergy or chronic pharyngitis, etc. It is recommended to implement symptomatic conditioning or treatment under the guidance of a doctor to help improve the symptoms. 1. Cold air allergy: It mostly occurs in people with allergies or low immunity. It is recommended to go out in winter to do a good job of personal protection, wear a good mask to prevent cold air irritation of the respiratory tract; at the same time, to improve immunity, eat more nutritious food, adhere to the sports and exercise as well as to ensure that enough sleep, etc., to help improve the symptoms. 2. Chronic pharyngitis: due to the cold air stimulation of the throat, resulting in chronic pharyngitis recurrence. It is recommended that in addition to go out and do a good job of protection, follow the doctor’s instructions for appropriate nebulizer inhalation therapy, commonly used drugs chymotrypsin, dexamethasone, etc., to improve the patient’s discomfort symptoms, improve respiratory function, and promote early recovery. As the temperature is relatively low in winter, it is necessary to strengthen the warmth care, avoid the stimulation of adverse factors, and maintain a healthy diet. If the above symptoms occur, please consult the doctor in time and take active treatment, so as not to delay the condition.