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The cough may persist for several weeks afterward with the total duration of symptoms usually around three weeks. [2] [1] Some have symptoms for up to six weeks. [3] In more than 90% of cases, the cause is a viral infection. [1] These viruses may be spread through the air when people cough or by direct contact. [2]
The infection then makes its way down to the bronchi. Symptoms include coughing up sputum, wheezing, shortness of breath, and chest pain. Bronchitis can be acute or chronic. [1] Acute bronchitis usually has a cough that lasts around three weeks, [4] and is also known as a chest cold. [5] In more than 90% of cases, the cause is a viral infection ...
The type of cough you have is a clue to what's causing it: A wet cough (the type that brings up phlegm or mucus) is often a sign of a lower respiratory infection.
Airway clearance therapy is treatment that uses a number of airway clearance techniques to clear the respiratory airways of mucus and other secretions. [1] Several respiratory diseases cause the normal mucociliary clearance mechanism to become impaired resulting in a build-up of mucus which obstructs breathing, and also affects the cough reflex.
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.
A routine chest X-ray is not always necessary for people who have symptoms of a lower respiratory tract infection. [4] Influenza affects both the upper and lower respiratory tracts. [citation needed] Antibiotics are the first line treatment for pneumonia; however, they are neither effective nor indicated for parasitic or viral infections. Acute ...
A history of exposure to potential causes and evaluation of symptoms may help in revealing the cause the exacerbation, which helps in choosing the best treatment. A sputum culture can specify which strain is causing a bacterial AECB. [5] An early morning sample is preferred. [7] E-nose showed the ability to smell the cause of the exacerbation. [8]
It may be triggered by other things such as an upper respiratory tract infection, cold air, exercise, or smoke. Asthma is a common condition and affects over 300 million people around the world. [3] Asthma causes recurring episodes of wheezing, breathlessness, chest tightness, and coughing, particularly at night or in the early morning. [4]