Dosage Forms Flashcards
(22 cards)
What are the 2 types of pulmonary form?
Inhaler and nebuliser
Explain inhalers.
Can be pressurised metered dose or dry powder inhalers.
Have a localised effect
Explain nebulisers.
Coverts a liquid to an aerosol
Used for larger doses
What are the 2 types of solid oral dosage form?
Tablet and capsule
Explain tablets.
Compacted powder containing drug and excipients
Disintegrates in the gastro intestinal tract, slower than capsules
Explain capsules
Loose powder contained in a hard shell gelatin capsule or liquid/paste/emulsion in a soft shell gelatin capsule
Shell dissolves in stomach, faster than tablets
What are the 3 types of liquid oral form?
Solution suspension and emulsion
What phase is solutions?
Single
Explain solutions.
They are a drug and excipients completely dissolved in a vehicle
What phase is a suspension?
Bi phase
Explain suspensions
Solid particles of a drug dispersed in a vehicle, with a suspending agent
What phase are emulsions?
Bi phase
Explain emulsion
2 immiscible liquids, droplets are the dispersed phase and vehicle is the continuous phase
Name the 4 types of rectal or vaginal forms
Suppositories, enemas, biphase foams, pessaries
Explain suppositories
Drug incorporated into a base which melts at body temperature
What are the 3 types of topical or transdermal form?
Creams ointments and gels
Explain creams
Semisolid emulsion oil in water (bi phase)
Explain ointments
Semi solid base in which a drug is dissolved (single phase )
Explain gels
A semi solid preparation which is aqueous in nature with a suspending agent single phase
What are the 2 types of parenteral form?
Injection and infusion
Explain injections
A sterile liquid administered through a hollow metal needle either iV IM or SC
Explain infusions
Larger volumes of solution or emulsion administered through IV over a period of time
