Blistering conditions Flashcards
What are the common causes of blisters
Impetigo Insect bites Herpes simplex Herpes zoster Acute contact dermatitis Burns Pompholyx
What are the autoimmune blistering diseases
Bullous pemphigoid
Pemphigus vulgaris
Causative organism of impetigo
Staph aureus
Appearance of impetigo
Often affects face and hands
Pus filled blisters which tend to break leaving a yellow crust
Management of impetigo
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
What is pompholyx
Vesicular eczema of hands and feet
Appearance of bullous pemphigoid
Itchy bulla on erythematous base
Usually affects trunk and limbs
Management of bullous pemphigoid
Topical steroids for localised
Oral steroids for widespread + oral tetracycline + nicotinamide
Steroid sparing drugs such as azathioprine
Appearance of pemphigus vulgaris
Severe bulla on skin and mucous membranes including mouth, nose, throat and genital area
Bulla burst easily leading to erosions (weepy or crusty)
Management of pemphigoid vulgaris
Wound dressings
Maintain oral hygiene and use steroid mouthwash if oral mucosa involvement
Oral corticosteroids
Steroid sparing drugs - azathioprine, methotrexate, MPA, cyclophosphamide