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Chronic cough. In clinical guidelines chronic cough is defined as a cough lasting more than 8 weeks in adults [1][2][3][4][5][6] and more than 4 weeks in children [2] (some studies suggest that a chronic cough must persist upwards of three months). [7] The prevalence of chronic cough is about 10% although the prevalence may differ depending on ...
A healthy adult also coughs 18.8 times a day on average, but in the population with respiratory disease the geometric mean frequency is 275 times a day. [6] In adults with a chronic cough, i.e. a cough longer than 8 weeks, more than 90% of cases are due to post-nasal drip, asthma, eosinophilic bronchitis, and gastroesophageal reflux disease. [5]
Pneumonia is an inflammatory condition of the lung primarily affecting the small air sacs known as alveoli. [ 3 ][ 14 ] Symptoms typically include some combination of productive or dry cough, chest pain, fever, and difficulty breathing. [ 15 ] The severity of the condition is variable. [ 15 ]
1–250 per 250,000 adults [10] Bronchiectasis is a disease in which there is permanent enlargement of parts of the airways of the lung. [5] Symptoms typically include a chronic cough with mucus production. [3] Other symptoms include shortness of breath, coughing up blood, and chest pain. [2]
Sub-acute cough: Lasts three to eight weeks. Can lead patients to seek medical care because it disrupts sleep, work, and social life. Chronic cough: Lasts more than eight weeks. Requires medical ...
Obstructive lung disease is a category of respiratory disease characterized by airway obstruction. Many obstructive diseases of the lung result from narrowing (obstruction) of the smaller bronchi and larger bronchioles, often because of excessive contraction of the smooth muscle itself. It is generally characterized by inflamed and easily ...
Lingering coughs are often due to an unresolved infection, virus or flare-up of an underlying health condition—such as lung disease or asthma —whereas a chronic cough can be a sign of asthma ...
Shortness of breath (SOB), known as dyspnea (in AmE) or dyspnoea (in BrE), is an uncomfortable feeling of not being able to breathe well enough. The American Thoracic Society defines it as "a subjective experience of breathing discomfort that consists of qualitatively distinct sensations that vary in intensity", and recommends evaluating dyspnea by assessing the intensity of its distinct ...