Therapeutics Flashcards

1
Q
Semisolid emulsion of oil in water
Contain emulsifier & preservative
High water content
Cool & moisturise
Non greasy
Easy to apply
Cosmetically				acceptable
A

Cream

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2
Q
Semisolid grease/oil (soft paraffin)
No preservative
Occlusive and emollient
Restrict transepidermalwater loss
Greasy - lesscosmetically 					attractive
A

Ointment

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3
Q

Liquid formulation
Suspension or solution of medication in water, alcohol or other liquids
If contain alcohol, may sting
Treat scalp, hair-bearing areas

A

Lotion

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4
Q

Thickened aqueous lotions
Semi-solids, containing high molecular weight polymers eg methylcellulose
Treat scalp, hair bearing areas, face

A

Gels

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5
Q
Semisolids
Contain finely powdered material eg ZNO
Stiff, greasy,difficult to apply
Protective,occlusive,hydrating
Often used in cooling, drying, soothing bandages
A

Paste

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6
Q

How much emollient should you prescribe?

A

250-500g weekly

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7
Q

How much does a non-proprietary emollient cost?

A

£3 per 500g
(e.g. soft paraffin, emulsifying ointment, aqueous cream)

Non-proprietary cost £5-12

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8
Q

Corticosteroid mode of action?

A

Vasoconstrictive
Anti-inflammatory
Anti-proliferative

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9
Q

Mild steroid

A

Hydrocortisone

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10
Q

Moderate steroid

A

Clobetasone butyrate

Modrasone

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11
Q

Potent steroid

A

Betamethasone valerate

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12
Q

Very potent steroid?

A

Clobetasol propionate

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13
Q

Medication you could use in lichen planus?

A

Steroid

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14
Q

How much ointment do you need to cover whole body?

A

20-30g

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15
Q

Side effects of topical steroids

A

Steroid rosacea
Perioral dermatitis
Fixed telangiectasia

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16
Q

rinse/soak/bath use in acute exudative eczema, pompholyx

A

Potassium permanganate

17
Q

Abx for acne? (CET)

A

Clindamycin
Erythromycin
Tetracycline

18
Q

Abx for rosacea?

A

Metronidazole

19
Q

Abx for impetigo?

A

Mupirocin

Fusidic acid

20
Q

Treatment for pityriasis versicolour?

A

Anti-yeast

21
Q

What are keratolytics used for?

A

Used to soften keratin:

  • viral warts
  • hyperkeratotic eczema and psoriasis
  • corns and calluses
  • to remove keratin plaques in scalp
22
Q

Example of a keratolytic?

A

Salicylic acid 10-40%

23
Q

Treatment of warts?

A
Mechanical paring plus
Keratolytics  e.g.Salicylic acid
Formaldehyde
Glutaraldehyde
Silver nitrate
Cryotherapy (usually                            liquid nitrogen)
Podophyllin (genital warts)
24
Q

Podophylin

A

Used for genital warts

25
Menthol Capsaicin Camphor/phenol Crotamiton
Anti-pruritis | camphor/phenol for pruritis ani
26
Topical psoriasis treatments?
``` Coal tar Vitamin D analogue Keratolytic Topical steroid Dithranol ```
27
Side effects of dithranol?
Irritant and stains normal skin | vitamin D can be irritant
28
When could you use imiquimod?
Solar keratoses Lentigo maligna Bowen's disease Verrucae
29
Why might you use tacrolimus in children?
Avoids some of the side effects of steroids
30
Treatment for chronic plaque psoriasis?
Coal tar Vitamin D analogues Dithranol
31
Treatment for scalp psoriasis
Greasy ointments to soften scale Tar shampoo Steroids in alcohol base Vitamin D analogue
32
Treatment for psoriasis in axilla?
Topical steroid for face, flexure and groin/genitals