Several types of viruses that are present in your nose and throat cause colds. These conditions can reduce your resistance to infection, making it more likely for you to get sick.
Most people get colds by physical contact, or inhaling the infected droplets from a cough or sneeze.
It is estimated that the average college student will have up to four colds per year. Presently, there is no known cure for colds. Penicillin and other antibiotics are of no value in the treatment of a viral illness . Once the virus has run its course, the body s own immune system will generally cure itself in one to two weeks. Although there are no medications available to cure colds, there are several nonprescription medications that will provide temporary relief to cold symptoms.