Canadian Medical Guide > Chemicals and Drugs > Pharmaceutical Preparations > Pharmaceutic Aids Terms and Definitions

Pharmaceutic Aids

Medical Definition:	Substances which are of little or no therapeutic value, but are necessary in the manufacture, compounding, storage, etc., of pharmaceutical preparations or drug dosage forms. They include SOLVENTS, diluting agents, and suspending agents, and emulsifying agents. Also, ANTIOXIDANTS; PRESERVATIVES, PHARMACEUTICAL; DYES (coloring agents); FLAVORING AGENTS; VEHICLES; EXCIPIENTS; OINTMENT BASES.
Guide Notes:	D25-26 qualif; DF: PHARM AIDS
Previously Indexed:	Pharmacy (1966-1967),specific aid (1966-1967)

Pharmaceutic Aids Categories.

	Adjuvants, Pharmaceutic - Agents that aid or increase the action of the principle drug or that affect the absorption, mechanism of action, metabolism, or excretion of the primary drug in such a way as to enhance its effects.
	Ointment Bases - Various mixtures of fats, waxes, animal and plant oils and solid and liquid hydrocarbons; vehicles for medicinal substances intended for external application; there are four classes: hydrocarbon base, absorption base, water-removable base and water-soluble base; several are also emollients.
	Preservatives, Pharmaceutical - Substances added to pharmaceutical preparations to protect them from chemical change or microbial action. They include ANTI-BACTERIAL AGENTS and antioxidants.
	Vehicles - A carrier or inert medium used as a solvent (or diluent) in which the medicinally active agent is formulated and or administered. (Dictionary of Pharmacy, 1986)

Pharmaceutic Aids Medical Definitions and Terms

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