In December 1999, Bayer changed the labeling on Baycol to warn of the Lopid drug interaction.

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Januvia's safety labeling is expected to contain no reasons the drug should never be given to a patient and only one potential drug interaction.

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We did not see it occurring as a drug interaction, where patients were also taking other medications that were reacting with the statin to cause the confusional state.

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In the near-term, that could allow pharmaceutical researchers to better study drug interaction, and one day such tissue might be implanted in a live person, allowing treatment or diagnosis.

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This would open patients up to an arsenal of new pharmaceuticals developed to help treat addiction by interfering with the drug's interaction with the body.

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For example, despite being called out for lagging behind, as of 2012 the FDA is now being required by law to produce and enforce guidelines on social interaction and drug company responsibility for third-party comments.

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Michael Gonzales-Campoy says that interaction between physicians and drug companies is beneficial.

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Mere interaction with a protein does not a drug make.

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It is important to realize that the grapefruit interaction is specific to only certain medications within a drug class and not the entire class of drugs.

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But interaction of some sort is a prerequisite for the development of a new drug or a new use for an existing one.

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