What is the reason for chronic cough that never gets better?

　　Coughing is a protective response of the body to expel foreign matter, but for some people, coughing lasts for more than 3 weeks or even does not heal for several months, which not only affects sleep and life, but may also hide health risks. Many people wonder: Why do coughs continue to recur after recovering from colds and bronchitis?

What is the reason for chronic cough that never gets better?

　　1. Chronic inflammation of the respiratory tract

　　Chronic pharyngitis and bronchitis are common causes. Long-term congestion of the throat mucosa or sensitivity of the bronchial mucosa. Stimulated by dust and cold air can cause dry cough. The symptoms are more obvious in the morning or at night, and are often accompanied by a foreign body sensation in the throat.

　　2. Stimulation by allergic factors

　　Allergies to dust mites, pollen, pet hair, etc. can lead to allergic cough or cough variant asthma, which manifests as paroxysmal dry cough. Symptoms worsen after exposure to allergens, and some people are accompanied by sneezing and runny nose.

　　3. Effects of gastroesophageal reflux

　　Reflux of gastric acid into the throat can irritate the mucosa and cause "reflux cough." The symptoms are especially obvious after meals or when lying down. It is often accompanied by acid reflux and heartburn. Many people mistakenly think it is a simple respiratory problem.

How to treat chronic cough scientifically

　　1. Check the cause first and then treat it

　　If you have a persistent cough for more than 1 month, you need to seek medical attention promptly. Through routine blood tests, lung function, gastroscopy and other examinations, you can determine whether there are problems such as inflammation, allergies or reflux, and avoid blindly using cough suppressants to cover up your condition.

　　2. Avoid sources of stimulation

　　Quit smoking and stay away from second-hand smoke and oil fumes. Wear N95 masks when going out in hazy days.； Clean your home regularly to reduce the breeding of dust mites ； People with allergies should isolate and protect themselves after identifying the allergen.

　　3. Adjustment of living habits

　　Keep indoor humidity at 40%-60%, and use a humidifier when dry； Keep a regular schedule, avoid staying up late, and ensure 7-8 hours of sleep every day to enhance respiratory resistance. ； Avoid eating 2 hours before going to bed to reduce the risk of gastroesophageal reflux.

　　4. Diet and tea maintenance

　　Avoid spicy, sweet, and salty foods to reduce throat irritation； You can drink Sichuan clam stewed pear water and Luo Han Guo tea in moderation to relieve dry cough. People with gastroesophageal reflux should avoid strong tea and coffee. ； Eat more fresh fruits and vegetables rich in vitamin C to help repair mucous membranes.

　　The key to treating chronic cough is to "treat the symptoms". Only by identifying the cause and combining it with daily intervention can the discomfort be alleviated from the root cause and the respiratory tract be restored to a healthy state.