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Modified-release dosage is a mechanism that (in contrast to immediate-release dosage) delivers a drug with a delay after its administration (delayed-release dosage) or for a prolonged period of time (extended-release [ER, XR, XL] dosage) or to a specific target in the body (targeted-release dosage). [1] Sustained-release dosage forms are dosage ...
20 to 30 minutes modified-release dosage tablet containing nicotine polacrilex: Sublingual tablets Blister pack: Over-the-counter Quickly dissolves to releases nicotine through a hard candy Gum: Blister pack: Over-the-counter Chewing the gum releases nicotine as a modified-release dosage: Mouth spray: Mouth spray bottle: Over-the-counter
Extended-release (or slow-release) formulations of morphine are those whose effect last substantially longer than bare morphine, availing for, e.g., one administration per day. Conversion between extended-release and immediate-release (or "regular") morphine is easier than conversion to or from an equianalgesic dose of another opioid with ...
A nicotine lozenge is a modified-release dosage tablet (usually flavored) that contains a dose of nicotine polacrilex, which dissolves slowly in the mouth to release nicotine over the course of 20 to 30 minutes. Nicotine lozenges are intended to help individuals quit smoking and are generally an over-the-counter medication.
Drug delivery is a concept heavily integrated with dosage form and route of administration, the latter sometimes being considered part of the definition. [9] While route of administration is often used interchangeably with drug delivery, the two are separate concepts.
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This can mean that the same dose of a drug in different forms can have different bioequivalence, as they yield different plasma concentrations and therefore have different therapeutic effects. Dosage forms with modified release (such as delayed or extended release) allow this difference to be usefully applied.