The common cold is a mild, acute viral infection of the upper respiratory tract. It is typically caused by various viruses, with rhinoviruses being one of the most frequent culprits. Symptoms commonly include a runny or stuffy nose, sneezing, mild sore throat, and coughing. While the condition is highly contagious and spreads through respiratory droplets, the illness generally resolves on its own. Treatment focuses on alleviating symptoms through supportive care, such as saline nasal sprays or hydration, as specific antiviral medications are not generally effective against the common cold.