Why does coughing worsen when using air conditioning?

Mar 19, 2025 Source: Cainiu Health
Dr. Ren Yi
Introduction
Under normal circumstances, coughing may worsen when using air conditioning, possibly due to dry air, temperature changes, cold exposure, chronic pharyngitis, bronchial asthma, or other related causes. Symptomatic management may involve general treatments, medications, and other approaches. It is recommended to engage in appropriate aerobic exercises, such as jogging or yoga, in daily life to enhance physical resistance and help reduce coughing episodes.

  In general, coughing may worsen when using air conditioning due to reasons such as dry air, temperature fluctuations, wind-cold感冒, chronic pharyngitis, or bronchial asthma. Symptomatic management through general treatments and medications may be necessary. If discomfort occurs, it is recommended to seek medical attention promptly and undergo appropriate treatment under a doctor's guidance. Detailed analysis is as follows:

  

  1. Dry air

  When the air conditioner is running, it reduces indoor humidity, making the air dry. This may irritate the respiratory mucosa, leading to worsened coughing, and may also be accompanied by symptoms such as dry mouth, sore throat, and nasal dryness. It is recommended to use a humidifier to increase indoor humidity and maintain moist air to relieve throat discomfort.

  2. Temperature fluctuations

  Significant temperature differences between the air-conditioned room and the outdoors may cause physical discomfort when frequently moving between these environments, worsening cough symptoms. It may also be accompanied by sneezing, runny nose, and headache. It is recommended to minimize frequent transitions between air-conditioned rooms and outdoor areas, dress appropriately, and avoid getting chilled.

  3. Wind-cold感冒

  Infections and inflammation caused by viruses or bacteria affecting the mucous membranes of the throat and respiratory tract may lead to wind-cold感冒. When using air conditioning, cold air can irritate already sensitive throat mucosa, causing dry cough and worsening symptoms, which may also include headache, chills, and general body aches. It is recommended to use medications such as Fenghan Ganmao Granules, Jingfang Granules, or Wai Gan Fenghan Granules under a doctor's guidance for treatment.

  4. Chronic pharyngitis

  In patients with chronic pharyngitis, the throat mucosa has been chronically inflamed, altered, and damaged. Prolonged use of air conditioning exposes the throat mucosa to dry air, making it even drier and more susceptible to irritation, thus worsening throat pain and phlegm production. It is recommended to follow medical advice and use medications such as Compound Honeysuckle Granules, Amoxicillin Capsules, or Roxithromycin Tablets to alleviate symptoms.

  5. Bronchial asthma

  Bronchial asthma may be triggered by factors such as heredity, respiratory infections, and air pollution. During air conditioner use, the air may irritate the respiratory tract, causing bronchial spasms and worsening cough. In severe cases, respiratory mucus may become thicker, making coughing more difficult, and may be accompanied by wheezing, shortness of breath, and chest tightness. It is recommended to use medications such as Compound Aminophylline Tablets, Diprophylline Tablets, or Doxofylline Tablets under a doctor's guidance for treatment.

  It is also recommended to engage in aerobic exercises such as jogging or yoga regularly to enhance physical immunity and help reduce coughing episodes.