What is Common Cold?
The common cold is a viral infection of upper respiratory tract nose and throat. It is a contagious illness that can be caused by a number of different types of viruses. A cold usually includes a runny nose, sore throat, sneezing, and coughing
Peak symptoms mostly appear on the second day and third day after catching a cold and usually clear up within a week. In case of bad cold, symptoms can last longer (two to three weeks).
Diagnosis is done by the physical examination of the symptoms.