Category Archives: Respiratory Symptoms - Part 5

Postinfectious Cough: Research

In the case of proven or presumed pertussis infection, prospective clinical trials have shown that treatment with erythromycin (or trimethoprim/sulfamethoxazole when a macrolide cannot be given) is necessary; the recommended dose is 40 to 50 mg/ kg/d in children and … Continue reading

Postinfectious Cough: Recommendations

The first serum sample should be taken within 2 weeks of the onset of cough, and the second should be taken 3 to 4 weeks later. The reported specificities and sensitivities of this test are 99% and 63%, respectively, when … Continue reading

Postinfectious Cough: Infection

The whooping sound is also usually absent in adults. The cough tends to be spasmodic, and occurs more frequently at night and after exposure to cold air; it lasts usually 4 to 6 weeks but can persist for much longer … Continue reading

Postinfectious Cough: Clinical Presentation

The annual incidence rate still remains highest among infants < 1 year of age, and in the majority of such children adults are the source of infection. Bordetella parapertussis has been shown to cause a disease similar to whooping cough … Continue reading

Postinfectious Cough: B pertussis Infection and Cough

One type of postinfectious cough that is particularly virulent is that caused by B pertussis infection. Recommendations for this section of the review relating to Bordetella infection and cough were made using data obtained from a National Library of Medicine … Continue reading

Postinfectious Cough: Treatment

This regimen may be tried in those patients whose coughs become protracted and persistently troublesome. The organisms that are associated with postinfectious cough cause considerable transmigration of neutrophils across bronchial epithelial cells, and sputum analysis may show an increase in … Continue reading

Postinfectious Cough: Diagnosis

Children under 5 years of age have 3.8 to 5 infections per person per year. Those children in daycare are especially at risk. Back-to-back infections, which are particularly common in winter months, can frequently result in a chronic cough, Similarly, … Continue reading

Postinfectious Cough: Prevalence

When a patient complains of cough that has been present following symptoms of an acute respiratory infection for at least 3 weeks, but not more than 8 weeks, consider a diagnosis of postinfectious cough. Quality of evidence, expert opinion; net … Continue reading

Postinfectious Cough: Pathogenesis

On the other hand, with upper respiratory infections of undetermined cause that produce a persistent cough, it has been shown that there is an increased sensitivity to inhaled capsaicin during the acute phase of the illness. When tested during convalescence … Continue reading

Postinfectious Cough

Patients may complain of a persistent cough following symptoms of an upper respiratory tract infection; when the cough lasts for > 3 weeks, it is no longer considered to be an acute cough. Instead, it is considered to be in … Continue reading

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