Composition

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Composition (Medicine)

Composition (/kɒmpəˈzɪʃən/), in the context of medicine, refers to the makeup of a particular pharmaceutical product, including its active ingredients, excipients, and other substances. The composition of a drug determines its therapeutic effects, side effects, and interactions with other substances.

Etymology

The term "composition" originates from the Latin compositio, meaning "a putting together". In the context of medicine, it refers to the process of combining various substances to create a pharmaceutical product.

Active Ingredients

The active ingredients are the substances in a drug that are primarily responsible for its therapeutic effects. These are the components that interact with the body to produce a desired effect, such as relieving pain or reducing inflammation.

Excipients

Excipients are substances included in a drug formulation that serve functions other than providing therapeutic effects. These may include fillers, binders, coatings, and preservatives. Excipients can affect the stability, efficacy, and safety of a drug.

Other Substances

In addition to active ingredients and excipients, a drug's composition may include other substances such as colorants, flavoring agents, and preservatives. These substances do not have therapeutic effects but can improve the appearance, taste, or shelf life of a drug.

Related Terms

  • Formulation: The process of designing and producing a pharmaceutical product, taking into account its composition, dosage form, and route of administration.
  • Pharmacokinetics: The study of how a drug is absorbed, distributed, metabolized, and excreted by the body.
  • Pharmacodynamics: The study of the biochemical and physiological effects of drugs and their mechanisms of action.

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