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Chapter 3
Drug Forms
24
Health Care
Beginner
01/09/2016

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Term
tablet
Definition
A solid drug form that contains an active drug (dried powder) plus inert ingredients (binders and fillers) to provide bulk and ensure a standardized tablet size.
Term
scored tablet
Definition
A tablet with an indented line running across it, from one side to the other, so that it can be easily broken into equal pieces to produce an accurate, but reduced, dose.
Term
effervescent tablet
Definition
A tablet that is dissolved in a glass of water before being swallowed.
Term
enteric-coated tablet
Definition
A tablet covered with a special coating that resists stomach acid, but dissolves in the alkaline environment of the small intestine to avoid irritating the stomach.
Term
slow-release/extended release tablet
Definition
A tablet that is manufactured to provide a continuous, sustained release of the drug; CD (controlled delivery), CR (controlled release), SR (slow release), or XL (extended release) is often on the label.
Term
caplet
Definition
A coated tablet shared into the form of an elongated capsule.
Term
lozenges
Definition
Tablet form of a drug formed from a hardened base of sugar and water containing the drug and other flavorings. They are never swallowed whole, but are allowed to dissolve slowly into a liquid to release the drug topically in the mouth and throat.
Term
troche
Definition
Drug form that is in an oblong tablet shape and has a base of sugar. The troche dissolves into a paste to release the drug topically in the mouth. Pastille, a French word that means little lump of bread, is another name for a troche.
Term
capsules
Definition
Drug form that comes in two varieties. The first is a soft, one-piece gelatin shell with the liquid drug inside. The second is a hard shell manufactured in two pieces that fit together with a powered or granular drug inside. Hard capsules come in a variety of colors. In written prescriptions, capsule is sometimes abbreviated as cap or caps.
Term
film
Definition
A thin, dissolvable substance that contains a dose of a drug.
Term
ointment
Definition
A semisolid emulsion of oil (lanolin or petroleum) and water, the main ingredient being oil. They are absorbed into the area to which they are applied; most exert a local, not systemic, drug effect. An exception to this is nitroglycerin ointment, which is applied topically but has a systemic effect and is used to treat cardiac chest pain.
Term
cream
Definition
A semisolid emulsion of oil and water, the main ingredient being water. Creams are absorbed into the skin and exert a local, not systemic, drug effect.
Term
lotion
Definition
A suspension of a drug in a water base; are absorbed into the skin and exert a local, not systemic, drug effect.
Term
viscosity
Definition
The thickness of the fluid or liquid form of a drug. A fluid solution can be aqueous (watery) or viscous (thick).
Term
solution
Definition
A drug with a liquid base; never need to be mixed, as the drug concentration is always the same in every part of the solution, even after prolonged standing; comes in 3 forms: 1. dissolved in sterile water or saline, 2. dissolved in a liquid base, (elixirs, syrups, tinctures, liquid sprays, foams, and mousse), 3. separate from the base but still evenly distributed throughout the solution (emulsions and gels).
Term
ampules
Definition
A small, slender, glass container with a main body and a narrow, elongated neck. An ampule contains certain liquid drugs used only for injection or intravenous administration. The word ampule has no proper abbreviation and should always be written in full, although it may verbally be abbreviated as "amp."
Term
vials
Definition
A small glass bottle containing a liquid or a powder drug for injection. The top is an aluminum cap that protects a rubber stopper beneath until vial is opened. The rubber stopper allowed repeated doses of the drug to be drawn from the same vial.
Term
suspension
Definition
Drug form that is a liquid containing fine, undissolved particles of a drug suspended in a water or oil base. After prolonged standing, these fine particles gradually settle to the bottom of the container (due to the action of gravity). Drugs that come as a suspension must always be shaken before administration.
Term
powder
Definition
A finely ground form of a drug,
Term
reconstitute
Definition
Action of making a drug in a powder form into a liquid.
Term
suppository
Definition
Drug form that is composed of a solid base of glycerin or cocoa butter containing the drug. Suppositories are manufactured in appropriate sizes for rectal or vaginal insertion and also come in adult and pediatric sizes.
Term
transdermal patches
Definition
Drug form that is a patch that is applied to the skin. The patch releases a small amount of drug over a long period of time, about 1-2 days. The drug in the patch is designed to exert a systemic effect in the body.
Term
pellet, bead, wafer, and insert
Definition
A drug in the form of either that can be placed within a body space or body cavity, where it slowly releases drug into surrounding tissues.
Term
gas
Definition
A drug in the form of a gas, an example is general anesthetic gas used to produce unconsciousness prior to surgery.
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