What Causes Acute Laryngitis?
Dec 21, 2020
Source: Cainiu Health
Dr. Guo Xiheng
Introduction
What Causes Acute Laryngitis?
1. Infectious factors: In most cases, children initially contract a viral infection, which may subsequently lead to secondary bacterial infection and disease progression.
2. Irritating factors: Inhalation of excessive harmful gases or dust, or intense crying during emotional distress—these can all cause injury to the laryngeal mucosa.
3. Unfavorable environmental conditions: For example, excessively dry indoor air.
Acute pharyngitis is primarily an acute inflammatory condition of the pharynx caused by bacterial or viral infections. It commonly occurs alongside upper respiratory tract infections and may also be triggered by intense irritation from harmful gases. Typical symptoms include sore throat, dryness of the throat, a burning sensation, productive cough, hoarseness, and—in some patients—shortness of breath. So, what causes acute laryngitis? Below is an explanation.
Causes of Acute Laryngitis
1. Infectious Factors
Infection is the most common cause of acute laryngitis in children. In most cases, viral infection precedes and predisposes to secondary bacterial infection, thereby worsening the condition.
2. Irritant Exposure
Children are exposed to complex environments; inhalation of excessive harmful gases or dust, or intense crying due to emotional distress, can all damage the laryngeal mucosa and trigger acute laryngitis.
3. Adverse Environmental Conditions
Excessively dry indoor air and other environmental factors are also significant contributors to acute laryngitis in children.
4. Allergic Reactions
Specific foods, gases, or medications may induce laryngeal mucosal edema in individuals with atopic (allergy-prone) constitutions, resulting in acute laryngitis.
5. Acute Infectious Diseases
Acute laryngitis is part of upper respiratory tract infection and often co-occurs with acute infectious diseases such as measles, pertussis (whooping cough), and scarlet fever. Such concurrent infections increase the complexity of treatment and exacerbate patient suffering.
6. Trauma
Laryngeal trauma—induced by foreign irritants such as excessively hot or cold foods, hard or sharp foods, frequent coughing with copious sputum, purulent secretions in the larynx, or injury from diagnostic instruments—can also precipitate acute laryngitis.
The above outlines the primary causes of acute laryngitis. We hope this information is helpful to you.
