It usually takes about seven to 10 days after being exposed to the infection to start showing symptoms. Full recovery from whooping cough may take two to three months. Doctors divide whooping cough into three stages: Stage 1: The earliest stage of whooping cough may last one to two weeks.
Is whooping cough more at night?
Runny nose, sneezing, and low-grade fevers are typical. Unlike a cold, though, pertussis infection doesn't clear up in a week or so. In this second phase of pertussis, coughing fits occur once every one to two hours and are worse at night. The cough can be so severe that it can cause vomiting or passing out.
Is the whooping cough deadly?
Whooping cough—or pertussis—is a very serious respiratory (in the lungs and breathing tubes) infection caused by the pertussis bacteria. It can cause violent coughing fits. Whooping cough is most harmful for young babies and can be deadly.