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Flashcards in Topical Skin Therapeutics Deck (46)
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1

What are the 2 advantages of topical treatments

Direct application
Reduced systemic effects

2

What are the 3 disadvantages of topical treatments

Time consuming
Correct dosage can be difficult
Messy to use

3

What are the 5 main types of bases/ vehicles used

Gels
creams
ointments
pastes
lotions

4

Creams contain preservatives. What is the function of having them in creams

The prevent bacterial contamination and also increase shelf life

5

What are some benefits of creams

Cool and provide moisture
Non- greasy
Easy to apply
cosmetically acceptable

6

What are creams made from

Semisolid emulsion of oil in water

7

What are ointments made from

Semisolid grease/ oil (soft paraffin)

8

What is the main benefit of an ointment

Restrict transepidermal water loss

9

What is the main disadvantage of an ointment

Greasy - less cosmetically attractive and can problems at work etc.

10

Do ointments contain preservatives

No

11

What are lotions made up of

Liquid formulation
Medication in water, alcohol or other liquids

12

What may happen if alcohol is in the lotion

It may cause the area to sting

13

What areas are lotions used to treat

Scalp, hair-bearing areas

14

What are gels

Thickened aqueous lotins

15

Describe the texture of gels

Semi-solids, containing high molecular weight polymer

16

Where are gels used to treat?

scalp, hair bearing areas, face

17

What texture are pastes

Semisolids

18

What do pastes contain

fines powdered material e.g. ZNO

19

What is the difficulty in using pastes

Stiff, greasy and difficult to apply

20

What are the benefits of using a paste

protective, occlusive and hydrating

21

When are pastes often used

In cooling, drying and soothing bandages

22

What do emollients do

Wnhance rehydration of epidermis

23

What are emollients used for

For all dry/ scaly conditions especially eczema

24

How much of an emollient should be prescribed weekly

300-500g

25

What are wet wrap therapy used for

Very dry (xerotic) skin

26

What is the main disadvantage of applying wet wraps

Difficult and time consuming to apply

27

Why are topical corticosteroids effective

Vasoconstrictive
Anti-inflammatory
Antiproliferative

28

What is a mild topical steroid

Hydrocortisone

29

What is a very potent topical steroid

Clobetasol Proprionate

30

How do topical steroids work

Reduce inflammation and cause immune suppression