What is the reason for frequent dry cough

Diseases will occur in people's daily lives. Many factors in life can cause the occurrence of diseases. Frequent dry cough is a very common disease in people's lives. Many patients do not know what causes frequent dry coughs and do not know how to treat it reasonably. So, what is the reason for frequent dry cough?

First, what is the reason for frequent dry coughs? Lesions in different parts such as the nose, trachea, lungs, stomach, and esophagus can cause dry coughs. The causes are also varied. Infection, inflammation, allergies, reflux, etc. can all cause coughs. A cough that lasts less than 3 weeks is called an acute cough. The most common cause is the common cold. Other common causes include acute bronchitis, acute sinusitis, allergic rhinitis, acute exacerbation of chronic bronchitis, and bronchial asthma. A cough that lasts for 3 to 8 weeks is called a subacute cough. Patients should go to the hospital for examination to exclude lung lesions. Common causes include post-cold cough (also known as post-infectious cough), upper airway cough syndrome, and bronchial asthma. A cough that lasts for more than 8 weeks without any known cause is called a chronic cough. The vast majority of chronic coughs (91% to 94%) are caused by the following four reasons: upper airway cough syndrome, cough variant asthma, gastroesophageal reflux and chronic bronchitis. In patients who do not smoke, do not take angiotensin-converting enzyme inhibitors (ACEI) and have normal chest imaging examinations, almost all of them are caused by the first three diseases.

Second, chronic pharyngitis is a common pharyngeal disease, and its prominent symptom is irritating dry cough. Patients experience itching and discomfort in the throat, and often have dry coughs to clear the throat. The symptoms are more obvious when speaking, and can be relieved after drinking water or swallowing. Most of them are secondary to upper respiratory tract infections, allergic rhinitis, gastroesophageal reflux or frequent smoking, alcoholics and those who are exposed to harmful dust or gas. Examination of the pharynx may reveal congestion of the pharynx. Many dilated capillaries and a small number of proliferating lymph follicles may be seen on the surface of the posterior pharyngeal mucosa. This is more common in the posterior pharyngeal mucosa and in people who are exposed to certain harmful dusts or gases.

What is the reason for frequent dry coughs? The main symptom is hoarseness, which often occurs intermittently in the early stages and occurs when there are more pronunciations. If the condition worsens, the hoarseness may become persistent, but it is rare for a person to not suffer from aphonia. The patient has a dry cough to relieve symptoms. Direct laryngeal mucoscopy examination shows that patients with chronic simple laryngitis often show congestion of the laryngeal mucosa, loss of luster of the vocal cords, dilated blood vessels distributed on them, and increased mucus secretions; when the condition worsens and develops into chronic proliferative laryngitis, the mucosa is significantly thickened and dark red, with thickened and rounded edges, and it is often incompletely closed during pronunciation, and the laryngeal ventricular zone is often thickened due to compensatory activities; chronic atrophic laryngitis is rare, and yellow-green crusts are often coughed up after coughing, and there is a burning or pain in the throat.