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Colds and Flus
A cold is a respiratory infection, which can be caused by one of hundreds of possible viruses. Colds occur more frequently in winter, but no one knows exactly why although it is possible that a decrease in the strength of the immune system allows one of these viruses to take hold. This is more likely to occur when the body is subject to the rigors of cold and reduced daylight.
Nearly everyone catches colds occasionally, but some people catch colds quite frequently, and others tend to stay sick an unusually long time.
Unfortunately conventional medicine can neither cure nor prevent the common cold and no over-the-counter treatment has been found to shorten their duration.
People often want to take antibiotics for colds, often by prescription even though antibiotics have no effect on viruses. This may be because when the mucus turns yellow, it means that a bacterial infection has occurred for which antibiotic treatment is indicated. However, viruses can also produce yellow mucus; and even if bacteria have made a home in the excess mucus, they may be only innocent bystanders and produce no symptoms.
Colds, however, can be complicated by bacterial infections. In such cases antibiotic treatment may be indicated.
