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What Are the Signs and Symptoms of Cough?

When you cough, mucus (a slimy substance) may come up. Coughing helps clear the mucus in your airways from a cold, bronchitis, or other condition. Rarely, people cough up blood. If this happens, you should call your doctor right away.

A cough may be a symptom of a medical condition. Thus, it may occur with other signs and symptoms of that condition. For example, if you have a cold, you may have a runny or stuffy nose. If you have gastroesophageal reflux disease, you may have a sour taste in your mouth.

A chronic cough can make you feel tired because you use a lot of energy to cough. It also can prevent you from sleeping well and interfere with work and socializing. A chronic cough also can cause headaches, chest pain, loss of bladder control, sweating, and, rarely, fractured ribs.

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Cough Clinical Trials

Clinical trials are research studies that explore whether a medical strategy, treatment, or device is safe and effective for humans. To find clinical trials that are currently underway for Cough, visit www.clinicaltrials.gov.

 
October 01, 2010 Last Updated Icon

The NHLBI updates Health Topics articles on a biennial cycle based on a thorough review of research findings and new literature. The articles also are updated as needed if important new research is published. The date on each Health Topics article reflects when the content was originally posted or last revised.