This information is not intended to be a substitute for professional medical advice. You should not use this information to diagnose or treat a health problem or disease without consulting with a qualified healthcare provider. Please consult your healthcare provider with any questions or concerns you may have regarding your condition. Two kinds of germs-bacteria and viruses.
Antibiotics are powerful medications that kill infection-causing bacteria.
They do not work against viruses. Viruses cause colds. Viruses cause colds. A runny nose often starts out with clear drainage and then turns to a green or yellow color. This is a good sign that the body is fighting the virus.