Blistering conditions Flashcards

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1
Q

What are the common causes of blisters

A
Impetigo
Insect bites
Herpes simplex
Herpes zoster
Acute contact dermatitis
Burns
Pompholyx
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2
Q

What are the autoimmune blistering diseases

A

Bullous pemphigoid

Pemphigus vulgaris

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3
Q

Causative organism of impetigo

A

Staph aureus

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4
Q

Appearance of impetigo

A

Often affects face and hands

Pus filled blisters which tend to break leaving a yellow crust

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5
Q

Management of impetigo

A

Avoid touching and wash hands after applying ointment
Regularly remove crusts e.g with antibacterial soap
Antibiotic cream e.g fusidic acid
Oral antibiotics if resistant or recurrent

Will heal in 2-3 weeks without any treatment if no underlying skin condition e.g scabies

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6
Q

What is pompholyx

A

Vesicular eczema of hands and feet

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7
Q

Appearance of bullous pemphigoid

A

Itchy bulla on erythematous base

Usually affects trunk and limbs

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8
Q

Management of bullous pemphigoid

A

Topical steroids for localised
Oral steroids for widespread + oral tetracycline + nicotinamide
Steroid sparing drugs such as azathioprine

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9
Q

Appearance of pemphigus vulgaris

A

Severe bulla on skin and mucous membranes including mouth, nose, throat and genital area
Bulla burst easily leading to erosions (weepy or crusty)

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10
Q

Management of pemphigoid vulgaris

A

Wound dressings
Maintain oral hygiene and use steroid mouthwash if oral mucosa involvement
Oral corticosteroids
Steroid sparing drugs - azathioprine, methotrexate, MPA, cyclophosphamide

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