Source:http://linkedlifedata.com/resource/umls/id/C0687133
MSH: The action of a drug that may affect the activity, metabolism, or toxicity of another drug.,CSP: physical chemical interaction between drugs and other compounds, including other drugs, particularly in biological systems.,NCI: Alteration of the disposition and/or effect of a drug, owing to the presence of another factor such as a second drug, or food.,NCI: 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.