Canadian Medical Guide > Chemicals and Drugs > Pharmaceutical Preparations > Dosage Forms > Delayed-Action Preparations Terms and Definitions

Delayed-Action Preparations

Medical Definition:	Dosage forms of a drug that act over a period of time by controlled-release processes or technology.
Guide Notes:	IM general only; coord with specific drug
Also Called:	Controlled-Release Preparations,Depot Preparations,Prolonged-Action Preparations,Sustained-Release Preparations,Timed-Release Preparations

Delayed-Action Preparations Categories.

	Drug Implants - Small containers or pellets of a solid drug implanted in the body to achieve sustained release of the drug.
	Tablets, Enteric-Coated - Tablets coated with material that delays release of the medication until after they leave the stomach. (Dorland, 28th ed)

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