Extended-release
Extended-release
Extended-release (pronounced: /ɪkˈstɛndɪd rɪˈliːs/) is a term used in pharmacology to describe a dosage form of medication designed to release a drug in a controlled manner, thus reducing the frequency of dosing. The term is often abbreviated as ER.
Etymology
The term "extended-release" is derived from the English words "extend", meaning to make longer or wider, and "release", meaning to allow or enable to escape from confinement. In the context of pharmacology, it refers to the process of prolonging the release of a drug into the body.
Related Terms
- Immediate-release: A dosage form that releases the drug immediately after administration.
- Controlled-release: A dosage form that releases the drug in a controlled manner, similar to extended-release, but often implies a more sophisticated release mechanism.
- Delayed-release: A dosage form that delays the release of the drug until it has passed through the stomach to avoid degradation of the drug by stomach acid.
- Sustained-release: A dosage form that releases a drug in a continuous manner over a period of time, similar to extended-release.
See Also
External links
- Medical encyclopedia article on Extended-release
- Wikipedia's article - Extended-release
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