搜尋結果
A cough can be non-productive (dry) or productive (when phlegm is produced that may be coughed up as sputum). It may occur only at night (then called nocturnal cough), during both night and day, or just during the day. A number of characteristic coughs exist.
It often refers to respiratory mucus expelled by coughing, otherwise known as sputum. Phlegm, and mucus as a whole, is in essence a water-based gel consisting of glycoproteins, immunoglobulins, lipids and other substances. Its composition varies depending on climate, genetics, and state of the immune system.
其他人也問了
What is bronchitis & what causes coughing?
What is a postinfectious cough?
What is chronic cough?
What are the different types of coughing?
Bronchitis is inflammation of the bronchi (large and medium-sized airways) in the lungs that causes coughing. Bronchitis usually begins as an infection in the nose, ears, throat, or sinuses. The infection then makes its way down to the bronchi. Symptoms include coughing up sputum, wheezing, shortness of breath, and chest pain.
- Acute: ~5% of people a year, Chronic: ~5% of people
- Acute, chronic
Signs and symptoms. Common symptoms present in chronic cough include a runny or stuffy nose, a feeling of liquid running down the back of the throat ( postnasal drip ), frequent throat clearing (coughing) and sore throat, hoarseness, wheezing or shortness of breath, heartburn or sour taste in a person's mouth, and in rare cases coughing blood. [8]
A postinfectious cough is a lingering cough that follows a respiratory tract infection, such as a common cold or flu and lasting up to eight weeks. Postinfectious cough is a clinically recognized condition represented within the medical literature.
Pharyngitis is inflammation of the back of the throat, known as the pharynx. [2] . It typically results in a sore throat and fever. [2] . Other symptoms may include a runny nose, cough, headache, difficulty swallowing, swollen lymph nodes, and a hoarse voice. [1] [6] Symptoms usually last 3–5 days, but can be longer depending on cause.
Sputum is mucus that is coughed up from the lower airways (the trachea and bronchi ). In medicine, sputum samples are usually used for a naked eye examination, microbiological investigation of respiratory infections and cytological investigations of respiratory systems.
