wk 2 1 Topical Treatments Flashcards
advanggtages to topical treatments
direct application
reduced systemic effects
disadvantages to topical treatments
time consuming
correct dosage may be difficult
creams can be defined as
semisoolid emulsion of oil in water
creams contain (2)
emulsifier and preservative
cool and moisture
non greasy
easy to apply
high water content
these are all features of which vehicle
cream
ointments are described as
semisold grease (soft paraffin)
t/f oitnments do not contain preservatives
true
ointments have a restricted transepidermal water loss
true
lotions are
suspensioin/solution of medication in water, alcohol, or other liquids
lotions are effective in treating
scalp/hair-bearing areas (limbs)
if lotions contain alcohol, will they sting
yess
gels are
thickened aqueous solutions
semi-solids, containing high molecular polymers
pastes contain
finely powdered material
pastes are difficult to applu
true
disadvntags to pastes
itchy
may require moisturiser too
foams are composed of 2 phases, describe each
hydrophilic liquid in continous phase
foaming agent in gaseous phase
advtange of foams
increased penetration of active agents
sread over large areas
emollients enhance _____ of epidermis
rehydration
emollients are good for what type of conditions
dry/scaly conditions
how much of emollient required to cover whole body
500g/week
what else can emollients be used for
soap substitutes
tips for emollient prescribtion
immeditately after b athing in direction of hair growwth make skin slippery clean spoon to remove from tub fire risk - if paraffin