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But a chronic cough is a cough that usually lasts longer than eight weeks, Dr. Banerjee says. These are some of the major causes of an acute cough, according to doctors: Allergens like pet dander ...
Acute cough: Lasts less than three weeks. Mostly caused by common cold and generally self-resolves without medical intervention, typically within four to seven days for most people.
“Up to five percent of people have a lingering cough after COVID, usually lasting up to four weeks, though fewer than half of those people have a cough that lasts beyond four weeks,” she says.
Whooping cough (/ ˈ h uː p ɪ ŋ / or / ˈ w uː p ɪ ŋ /), also known as pertussis or the 100-day cough, is a highly contagious, vaccine-preventable bacterial disease. [1] [10] Initial symptoms are usually similar to those of the common cold with a runny nose, fever, and mild cough, but these are followed by two or three months of severe coughing fits. [1]
A dry cough is a persistent cough where no mucus is present; this can be a sign of an infection. A chronic wet cough is a cough where excess mucus is present; depending on the colour of the phlegm, bacterial infections may be present. [16] A stress cough is when the airways of the throat are blocked to the point that it causes a reflexive spasm.
Bordetella pertussis is a Gram-negative, aerobic, pathogenic, encapsulated coccobacillus bacterium of the genus Bordetella, and the causative agent of pertussis or whooping cough. Its virulence factors include pertussis toxin , adenylate cyclase toxin , filamentous haemagglutinin , pertactin , fimbria , and tracheal cytotoxin .
The average duration of cough is eighteen days [30] and in some cases people develop a post-viral cough which can linger after the infection is gone. [31] In children, the cough lasts for more than ten days in 35–40% of cases and continues for more than 25 days in 10%. [32]
Acute bronchitis usually lasts a few days or weeks. [29] It may accompany or closely follow a cold or the flu, or may occur on its own. Bronchitis usually begins with a dry cough, including waking the patient at night. After a few days, it progresses to a wetter or productive cough, which may be accompanied by fever, fatigue, and headache.