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U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
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drug interaction (… IN-ter-AK-shun)

 A change in the way a drug acts in the body when taken with certain other drugs, herbals, or foods, or when taken with certain medical conditions. Drug interactions may cause the drug to be more or less effective, or cause effects on the body that are not expected.

Previous Definitions:DRI, dronabinol, droperidol, drug, drug abuse
Next Definitions:drug resistance, drug tolerance, dry orgasm, DSMB, DT388IL3 fusion protein