Pertussis, commonly known as whooping cough, is a highly contagious respiratory infection that is caused by the bacterium Bordetella pertussis. It primarily affects the respiratory tract, causing severe coughing fits. While vomiting is not generally considered a hallmark symptom of whooping cough, it can occur in some cases. In this blog, we’ll explain the most common symptoms of pertussis and when to seek medical attention. For same-day general illness treatment, visit the walk-in clinic ...