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How do cold and flu affect the body?

Diana Meeks
Diana Meeks on behalf of Sigma Nursing
Family Practitioner

Usually, the first effect of influenza on the body is a fever with chills and muscle aches. You may also have a fever, fatigue and a headache. Remember, the flu is caused by a group of viruses that infect the respiratory system. As a result, effects on the body often focus on the throat, nose, and lungs. The nose may become congested or runny, the throat may become sore, and a cough may move from dry to wet as the virus runs its course.

The common cold primarily produces sneezing, nasal congestion, runny nose, and a sore throat. Other symptoms, such as fatigue, headache, and fever, may be mild or not occur at all.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.