how long is a cough contagious
Your cough does not improve after 10 days or lasts longer than 20 days. Youâre really uncomfortable or are coughing so hard that you canât sleep. You have chest pain with coughing or difficulty breathing. Your cough is accompanied by unexplained weight loss. You have a fever over 100.4 F. Youâre wheezing or feel like you canât breathe.