<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, my baby has been very irritable lately and also seems to have a runny nose. What could be going on?  <response>: It sounds like your baby might have whooping cough, also known as pertussis. Other symptoms include a dry cough, fatigue, and difficulty breathing. Its important to bring your baby to the clinic as soon as possible for a proper diagnosis and treatment plan. 