Drug Routes Flashcards
Oral route examples
Tablet, Capsule, Caplets
Solid drug molded or compressed into a particular shape and may be swallowed whole, chewed or placed under the tongue depending upon purpose.
Tablet
Tablet coated with substance that block absorption of drug until it reaches to small intestine.
Enteric coated tablet
Powder or gel form of drug encased in a hard or soft outer casing that dissolves in the stomach or powders drugs or liquids within gelatin container.
Capsule
Tablet coated with gelatin that gets dissolve in stomach.
Caplet
Produced by compression, and are composed of one or more active ingredients and one or more inert substances.
Tablets
___ substances are materials that do not react chemically under a given set of conditions. They are often used in various applications due to their stability and lack of reactivity.
Inert
Designed to provide protective barrier for drug stability purposes or to mask unpleasant drug taste, or to protect drugs from the acid conditions of the stomach.
Time of onset of action:
Example:
Enteric-coated tablets
Several hours
Aspirin Enteric coated tablets
Designed to provide rate controlled drug action
Time of onset:
Example:
Controlled-release tablets
Minutes to hours
Ex: Theophylline Extended release tablets
tablet shaped capsule, smooth sided like a tablet. easier to swallow than large tablets. Ex:
Caplet
Panadol caplets
Solid dosage form, drug enclosed within a hard or soft gelatin shell
Time of onset: min to hrs
____ is an example
Capsules
Feroglobin capsules
Are hard, oval, solid dosage forms with a drug contained in a flavored sugar base. dissolved in the mouth and generally have local therapeutic effects.
Ex: ?
Lozenges
Sore throat lozenges like strepsils
Solid preparation used as a counter-irritants or as an adhesive externally.
Plaster
Fancy ground form of a drug
Internally or externally used
Powder
contain one or more active ingredients. may be dissolved in the vehicle or suspended as very fine particles. often less stable than solid dosages.
Liquid dosage forms
Liquid dosage forms
Solution, Suspension, Emulsion