A common viral infection of the nose and throat. In contrast to the flu, a common cold can be caused by many different types of viruses. The condition is usually harmless, and symptoms typically resolve within two weeks. Symptoms include a runny nose, sneezing, and congestion. High fever or severe symptoms are reasons to see a doctor, especially in children. However, most people recover on their own within two weeks. Over-the-counter products and home remedies can help control symptoms. Learn the best cold and flu treatments and remedies to soothe your sick kid.