Derm Drugs Flashcards
what is the preferred route of txment for derm problems?
tx confined area (topical)-limits systemic side effects
what factors impact derm absoprtion?
- amt applied
- H20 of skin
- skin integirty
- skin thickness
- ointment vs cream vs liquid
what is a pro of ointment?
- remains on skin
- protects moisture in the skin (acts as occlusive dressing)
- greater drug delivery
what is a con of ointment?
difficult to wash off
what is a pro of cream?
- spreads easier
2. absorbed more rapidly
what is a pro of liquid (water based)?
- easy to spread
2. rapidly absorbed
what is a con of liquid?
what is a pro of paste?
less greasy than ointment
what is the base of a tincture?
what is the base of a liniment?
fatty solution or emulsion
what are powders used for?
prevent skin irritation and chaffing
what is a con of aerosols?
hard to confine to application area
when should a therapeutic skin cleaner be used?
sensitive, dry, irritated skin
what are examples of skin cleaners?
cetaphil pHisoderm liquid (neutral) pHisoderm bar (acidic)
when should you use benzoyl peroxide?
monotherapy for mild to moderate acne