how long does bad coughing last in pertussis
Pertussis disease can be divided into three stages: Catarrhal stage: can last 1â2 weeks and includes a. runny nose, sneezing, low-grade fever, and a mild. cough (all similar symptoms to the common cold). Paroxysmal stage: usually lasts 1â6 weeks, but can. persist for up to 10 weeks. The characteristic symp -. tom is a burst, or paroxysm, of numerous, rapid.