Derm Drugs

Question 1

what is the preferred route of txment for derm problems?

Answer 1

tx confined area (topical)-limits systemic side effects

Question 2

what factors impact derm absoprtion?

Answer 2

1. amt applied
2. H20 of skin
3. skin integirty
4. skin thickness
5. ointment vs cream vs liquid

Question 3

what is a pro of ointment?

Answer 3

1. remains on skin
2. protects moisture in the skin (acts as occlusive dressing)
3. greater drug delivery

Question 4

what is a con of ointment?

Answer 4

difficult to wash off

Question 5

what is a pro of cream?

Answer 5

1. spreads easier

2. absorbed more rapidly

Question 6

what is a pro of liquid (water based)?

Answer 6

1. easy to spread

2. rapidly absorbed

Question 7

what is a con of liquid?

Answer 7

requires shaking

Question 8

what is a pro of paste?

Answer 8

more absorptive

less greasy than ointment

Question 9

what is the base of a tincture?

Answer 9

alcohol

Question 10

what is the base of a liniment?

Answer 10

fatty solution or emulsion

Question 11

what are powders used for?

Answer 11

prevent skin irritation and chaffing

Question 12

what is a con of aerosols?

Answer 12

hard to confine to application area

Question 13

when should a therapeutic skin cleaner be used?

Answer 13

sensitive, dry, irritated skin
atopic dermatitis
eczematous skin

Question 14

what are examples of skin cleaners?

Answer 14

cetaphil
pHisoderm liquid (neutral)
pHisoderm bar (acidic)

Question 15

when should you use benzoyl peroxide?

Answer 15

monotherapy for mild to moderate acne

Question 16

how does benzoyl peroxide work?

Answer 16

oxidizes bacteria in P. acnes

Question 17

what are side effects of benzoyl peroxide?

Answer 17

caused drying, removes sebum and sebostatic effect, photosensivity