eczema - west suffolk hospital · eczema r lakshman . eczema ... •always use ointment ... elocon...
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Eczema
R Lakshman
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Eczema
• Genetic defect in epidermal barrier leads to loss of water from skin
• Drying of skin – itching – scratching
• Scratching – local inflammation – worsened by infection, irritants, allergens
• Chronic inflammation – permanently damaged skin
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Eczema
• Sleep
• Quality of Life – constant itching
• Bonding between parents and baby
• Personality changes
• Self Esteem issues
• Bullying
• Sensitization – 20% nut allergy, 30% egg allergy, 50% asthma and/or allergic rhinitis
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Management of Eczema
• Treatment of flares – usually steroids – 7-14 days and then wean over a further 2 to 4 weeks
• Prevention of flares – – usually general measures – emollients – food exclusion ( CMP, soya, egg) – identification of other allergens (HDM, animal dander,
pollen) – some need once or twice weekly steroids long term
• Looking for associated conditions • Rarely – not simple eczema – immunodeficiency
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Do : Assess Severity Skin – Scratching - Sleep
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Do: Consider added infection
Vesicles – herpes infection – urgent referral
Crusting, weeping, pus, bright red Not responding to steroid treatment Bacterial infection
Topical Antibiotics (Fucidin resistance)
Oral Antibiotics (Coamoxiclav) x 7 days
IV aciclovir
IV antibiotics
Referral - Admission
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Do : Pick the right strength steroid
• Severity of eczema
• Thickness of skin
• Current treatment
• Past treatment
• Always use ointment
HYDROCORTISONE – EUMOVATE- BETNOVATE - ELOCON
FUCIDIN H - FUCIBET – BETNOVATE C
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Do – Advise the right amount
• One finger tip unit = 2 palm areas
• Rub in – skin shines
• One application – bedtime adequate
• No emollient before steroid application
• Use only on the eczematous area
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Do prescribe the right amount
• One finger tip unit = 0.5 g = 2 palm areas
• Estimate total area of eczema = eg 8 palm areas
• Total requirement per day = 2 g
• Total duration of treatment = 2 weeks
• 14x 2= 28 g needed = 30 g
• Rule of the thumb – prescribe 100 g tubes
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Do give a clear management plan
• Topical steroids daily (to eczema areas) only for 7- 14 days till skin clears completely
• Then alternate nights for the same period 7 -14 days
• Then two nights a week for a further 6 weeks or long term
• Short courses and abrupt stop will cause flares
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Do Review if things are not getting better
• Eczema should start getting better on day 3-4 of application and be almost clear by day 14
• If eczema not getting better THINK
– ? Inadequate amount applied
– ? Inadequate strength
– ? Infection
– ? Triggers / Allergens
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Do Reassure about steroids
• Thinning of the skin a significant problem on face and neck ( less of a problem elsewhere)
• Absorption of steroid only a significant problem if widespread eczema, strong steroids and daily treatment for more than 2 weeks, occlusive dressings
• Untreated eczema can cause permanently damaged skin
• Emollients cannot treat eczema flares
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What is too much ? (rule of the thumb only – Teenagers/Adults)
• 500 g of hydrocortisone per week ( 5 x 100g tubes)
• 50 g of Betnovate or Elocon per week (100g tube lasting less than 2 weeks)
• 100g of Eumovate per week
• Doses around the above range long term – many weeks – may lead to adrenal suppression
• half the above doses may cause side effects in smaller children
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How much steroid is absorbed ?
• Forearm absorbs 1%
• Armpit absorbs 4%
• Face absorbs 7%
• Eyelids and genitals absorb 30%
• Palm absorbs 0.1%
• Sole absorbs 0.05%
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Steroids in eczema
• 1gm of hydrocortisone 1% = 10mg of hydrocortisone
• Absorption varies from 0.1 to 2% (below neck)
• 10mg = 1 mg absorbed
• 10 kg child – pharmacological treatment of inflammation – dose is 150 mg per day
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Other steroids
• Eumovate – 20 x as potent as hydrocortisone
• Elocon, Betnovate – 100 x as potent as hydrocortisone
• Dermovate – 600 x as potent as hydrocortisone
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Do remember steroid side effects
• Thinning of skin
• Striae
• Prominent dilated veins/ capillaries
• Temporary loss of pigmentation in dark skin
• Easy bruising
• Growth failure
• Adrenal suppression ( esp if other steroids eg for Asthma in addition to topical)
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Do not
• Keep potent steroids on repeat prescription unless there are regular planned reviews in hospital or in primary care
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Do
• Prescribe liberal amount of emollients
• Expect 500 g tub/pump to last 2 to 3 weeks depending on size of child
• Advice use two times a day and on all skin
• Explain that emollients can reduce flare ups but cannot treat flares ( itching, redness, thickening, crusting)
• Epaderm – Cetraban – Doublebase – Diprobase - Aveeno
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Do not
• Apply emollients and topical steroids at the same time
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Do consider Referral
• Significant eczema
• Patient/Parents not coping
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Eczema Service
• Dr Gudi, Dr Ranasinghe, Dr Lakshman
• Eczema nurse specialist ()
• Education
• Education
• Education
• Allergy review, patch testing
• Support, point of access
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Thank you
• Severity – skin, scratch, sleep
• Infection – viral, bacterial
• Treat flares – promptly and properly
• Avoid Flares – Emollient, More Emollient
• Remember Associations – Other allergies
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Any Questions