Skin Flashcards

1
Q

Which formulation is most suitable for chronic dry skin areas?

A

Ointments as they are greasy, more occlusive barrier over skin and most hydrating. Also insoluble in water.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What do gels consist of?

A

High water content

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What functions do lotions have?

A

Cooling effect such as calamine lotion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is a potential side effect of aqueous cream?

A

Use as a leave on emollient may increase the risk of skin reactions – particularly in eczema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are emollients used for

A

to soothe, smooth and hydrate the skin in all dry and scaling conditions. Applies frequently even after condition improves. More useful in excema than psoriasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

State the MHRA warning for emollients?

A

Avoid naked flames

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

State a side effect of benzyl alcohol in neonates?

A

Fatal toxicity syndrome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How long should bath additives be added to water before use?

A

10-20 minutes to ensure effective hydration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which bath-based emollient contains soya-bean oil?

A

Balneum and should be avoided in those patients with an allergy to soya and nut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

State some counselling points for emollients?

A

Should be applied in direction of hair growth to avoid risk of folliculitis Avoid naked flames
Apply after bathing to maximise hydration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the tx for nappy rash?

A

first line is to ensure that nappies are changed frequently. Can apply mild corticosteroid but avoid in neonates. If rash is fungal than clotrimazole 1% can be used.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

State the use of urea in urea-containing emollients?

A

It is a keratin softener and a hydrating agent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

State the treatment for acute impetigo on small areas of skin?

A

Topical fusidic acid cream
Mupirocin to treat methicillin-resistant staph aureus
not for longer than 10 days to prevent development of resistance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

State the treatment for extensive, widespread longstanding treatment for impetigo?

A

1) Flucloxacillin
2) Clarithromycin if penicillin-allergic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is used topically for rosacea?

A

Metronidazole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What drug is used for treatment of burns?

A

Silver sulfadiazine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the tx for ringworm?

A

Topical antifungal eg clotrimazole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What drug is used for treatment of acute bacterial skin structure infections?

A

Tedizolid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the tx for pityriasis versicolor

A

antifungals such as clotrimazole or ketoconazole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the tx for candidasis?

A

Topical imidazole antifungal eg clotrimazole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

State the treatment for angular cheilitis?

A

Fusidic acid / miconazole daktarin creams

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

State the treatment for cold sores (herpes labialis)?

A

Acyclovir cream – apply cream 5 x daily
Best applied at earliest stage – when prodromal changes of sensitisation are felt in lip and before vesicles occur
Peniclovir cream – apply cream 8 x daily

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

State the treatment for scabies?

A

Permethrin / malathion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

State the symptoms of scabies?

A

Intense itching at night
Silvery lines with dot at end by mites Rash often starts between fingers Very infectious

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
State the counselling points to patients with scabies:
All members of household should be treated Wash all bedding at 50 degrees Now recommended that both malathion/permethrins should be applied twice, one week apart. Apply to the whole of the body including, scalp, neck, ears, face, fingers Orla sedating antihistamine at night may also be given to help sleep
26
State the treatment of headlice?
Dimeticone – it coats headlice and interferes with water balance in lice by preventing excretion of water Course of treatment should be 2 applications of product 7 days apart to kill lice emerging from first application
27
State the process of wet combing?
With a plastic/metal detection comb preferably for 30 minutes At 4-day intervals for minimum of 2 weeks and carried on until no lice are found on 3 consecutive occasions
28
State the use, indication of amorolfine?
Apply 1-2 x a week for 6 months for fingernails and for toenails 9-12 months Also available as an OTC via but only if fungal nail infection is on maximum 2 nails only
29
State the counselling point for when patients are taking terbinafine?
Patients need to be counselled on signs and symptoms of liver disorder occur: Nausea, anorexia, jaundice, vomiting, fatigue, right upper abdominal pain, dark urine, pale stools Discontinue in progressive skin rash – stevens-johnson syndrome, toxic epidermal necrolysis
30
How are emollients used in excema?
For dry skin and itchiness. Can increase the efficacy of topical steroids and have a steroid sparing effect. Use continues even if symptoms improve
31
What is the difference between eczema and psoriasis?
eczema characterized by poorly demarcated red, dry areas with fine scale,” while psoriasis appears as “red, well-circumscribed lesions (called plaques) with heaped-up, white scaling"
32
Which drugs can provoke psoriasis?
Lithium, chloroquine and hydroxychloroquine, ace inhibitors, beta blockers, nsaids, ace inhibitors. May not occur until drug has been taken for weeks/months.
33
Discuss the tx of psoriasis
Emollients coal tar topical steroid if on trunk or limbs scalp - topical steroid for 4 weeks pustular = urgent same day referral to specialist
34
State the topical corticosteroid potencies?
Mild = hydrocortisone acetate less than 2.5% Moderate = clobetasone (eumovate), betamethasone 0.025% (Betnovate-RD), trimovate Potent = mometasone 0.1%, betamethasone valerate 0.1% Very potent = clobetasol (dermovate), nerisone
35
What is the OTC licensing for purchasing hydrocortisone cream?
Only to be sold in patients over 10 years old+ To be applied sparingly, 1-2 times daily. Maximum use for 7 days only. Should not be sold to children under 10, pregnant ladies AND should not be sold for use on face, anogenital region, broken/infected skin (including cold sores, acne, athletes’ foot)
36
What advice should be given with topical steroids?
- how much to apply - how long for - seek advice if condition worsens
37
What is the treatment of hyperhidrosis?
Condition of excessive sweating. Aluminium chloride hexahydrate – potent antiperspirant
38
What is pruritus’ caused by?
Systemic disease – jaundice, endocrine disease, iron deficiency, chronic renal disease, skin disease, side effect of opioid analgesics.
39
What can be used to relieve pruritus – and provides a cooling effect?
Levomenthol cream
40
Which cream can be used to relieve pruritus in eczema and what side effect does it have? Doxepin 5% cream
Can cause drowsiness and can cause sensitisation
41
What is common in biliary obstruction?
Pruritus
42
What is the treatment of drug induced cholestasis and primary biliary cirrhosis?
Colestyramine
43
Why should acne treatment be started early?
To prevent scarring
44
Which contraceptive can be used for acne?
Dianette - Co-cyprindiol (women only)
45
What is used in severe acne and can only be prescribed by consultant dermatologist?
Isotretinoin
46
What is the first line tx for acne of any severity?
- fixed combination of topical adapalene with benzoyl peroxide - fixed topical tretinoin with clindamycin mild to moderate - benzoyl peroxide with clindamycin moderate to severe - adapalene, benzoyl peroxide and lymecycline or doxy - azelaic acid with oral lym or doxy -
47
What is isotretinoin used for?
Severe acne in adolescents and also in females in their 30s-40s Must only be prescribed by consultant dermatologist Given for at least 16 weeks Females patients must be registered with pregnancy prevention programme For a prescription of isotretinoin for female – a pregnancy test must be done and also dispensed within 7 days of the prescription date Isotretinoin is teratogenic. Limited to 30 days tx. Some side effects: severe dryness of skin and mucous membrane, nose bleeds, joint pains,
48
State a MHRA warning for isotretinoin?
May cause sexual side effects, erectile dysfunction and decreased libido
49
State common side effects of isotretinoin?
Severe dryness, joint pain, back pain, alopecia, cheilitis, dry eye, increased risk of infection
50
State contraception and conception advise for patients taking isotretinoin?
Women advised to use effective contraception 1 month prior to starting treatment, during treatment and for one month following treatment Women should be advised to use 1 method of contraception but ideally 2 methods of contraception advised Oral progestogen contraceptives not considered effective
51
State monitoring requirements for isotretinoin?
Measure hepatic function and serum lipids before treatment, one month after treatment and then every 3 months
52
When should you discontinue treatment with isotretinoin?
Risk of pancreatitis if triglycerides above 9mmol Visual disturbances Severe skin peeling Haemorrhagic diarrhoea (blood in vomit/diarrhoea) Psychiatric disorders – depression, anxiety and suicidal thoughts occur
53
What should you also advise above patients with isotretinoin?
Avoid wax epilation, dermabrasion, laser treatments during treatment and for 6 months after treatment Avoid exposure to UV sunlight and use sunscreen and emollient and lip balm §
54
State the use of brimonidine tartrate?
Facial erythrema in rosacea
55
State the two MHRA warnings for using brimonidine gel?
Systemic cardiovascular events, bradycardia, hypotension and dizziness reported Symptom exacerbation has been reported
56
State the treatment for cradle cap in infants?
Coconut oil / olive oil applications followed by shampooing
57
What can hirsutism be caused by?
Hormonal changes in females and side effect of the drugs: minoxidil, corticosteroids, anabolic steroids, androgens, danazol, progestogens Weight loss can reduce hirsutism in obese women
58
Which drug is used to treat acne associated with venous thromboembolism?
Co-cynpridiol
59
How is androgenic alopecia (baldness) treated in men?
Finasteride or topical minoxidil
60
What virus causes warts?
Human papillomavirus