Skip to main content
An official website of the United States government
Español
Government Funding Lapse
Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted.

The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.

Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

pain expression

(payn ek-SPREH-shun)
Refers to the way in which a person shows that he or she is in pain. People can express pain verbally or through changes in behavior, such as crying, moaning, groaning, facial grimacing, restlessness, agitation, or depression. Other examples of pain expression include trouble moving around (such as limping), guarding an area of pain on the body, flinching when touched, and trouble sleeping or eating. People may express pain in different ways depending on many external factors, including their family, social interactions, and culture.
Search NCI's Dictionary of Cancer Terms