The bacterial infection in lungs, caused by bacterium Bordetella pertussis, is called whooping cough. A contagious disease, it leads to severe coughing, which may or may not be accompanied by vomiting and perspiration. Some of the common symptoms of whooping cough are sore throat, mild dry cough, sneezing, tears, tiredness, loss of appetite, night cough, vomiting, retching, nosebleeds and diarrhea. Though it starts with a mild cough, whooping cough develops into severe coughing, if not treated on time. Whooping cough can, however, be treated with home remedies as well. Read on to know about them.