The common cold is a viral infection of your nose and throat (upper respiratory tract). It's usually harmless, although it might not feel that way. Many types of viruses can cause a common cold.
A cold virus enters your body through your mouth, eyes or nose. The virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks.
What are the symptoms of Cold and Cough
Runny or stuffy nose
Sore throat
Cough
Congestion
Slight body aches or a mild headache
Sneezing
Low-grade fever
Generally feeling unwell