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Content type: News, Editors' picks, About HIV
Topic: Drug interactions & pharmacokinetics
Taking two or more different drugs together may result in an alteration in the effectiveness or in the side-effects of one or more of the drugs. Pharmacokinetics (PK) is the study of how a drug is absorbed into the body and distributed in different parts of the body. Pharmacodynamics (PD) is the study of the impact of different concentrations of a drug on the body.