Dosage Forms of Drugs Flashcards
what are the different forms of drugs?
- solid
- liquid
- semisolid
- gasses and vapor
what is considered a solid?
powder, tablet, pill, capsule, bolus, pessary, suppository
powder
a mix of drugs packaged into packets or sachets
tablet
active drug combined with a binder and excipient (an adhesive substance)
enteric coated tablets
irritant tablets coated with salol which is insoluble in avid but will dissolve in the alkaline small intestine
pill
mix of drugs and a sticky binder in the form of ovoid or spherical mass, which is provided with a glazed sugar coating
capsule
- container made of mix of gelatin and glycerin
- suitable for drugs in powder and liquid form
bolus
large and cylindrical shape and used in horses and cattle
what is considered a liquid?
mixture, tincture, spirit, suspension, elixir, emulsion, extract, infusion, decoction, injection, liniment, lotion
mixture
aqueous soln./suspension intended for oral administration.
pessary
conical solid preparation for intravaginal use in humans
suppository
conical solid preparation given intrarectally for systemic effect in humans
tincture
an alcoholic liquid preparation of a nonvolatile substance either for external or internal use
spirit
an alcoholic liquid preparation of a volatile substance
suspension
an aqueous suspension of solids and usually contains a dispersing agent to delay settling
-should always say “shake well before use”
elixir
hydroalcoholic soln. of medicinal agents that have been sweetened and flavored
emulsion
consists consists of an oily substance dispersed in an aqueous medium with an emulsifying or a dispersing agent
extract
obtained by passing the solvent over the dried plant material then evaporation of the solvent
infusion
cold or warm water used in extraction
decoction
boiling water used in extraction
injection
sterile soln. or suspensions in aqueous soln.
liniment
liquid or semiliquid preparation to be applied on the skin with friction
lotion
soln. or suspension of soothing substances to be applied on the skin in acute inflammation to relieve pain
what is considered a semisolid?
ointment, cream, paste, electuary