Coughing is a healthy reflex that helps clear the airways. A severe or lingering cough requires medical treatment, but many coughs are caused by viruses that just need to run their course.
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
Images provided by iStock, Getty Images, Corbis, Veer, Science Photo Library, Science Source Images, Shutterstock, and Clipart.com
© Copyright 2008 Coventry Health Care