Blistering skin conditions

What are blistering diseases?

Blistering diseases are conditions in which there are fluid-filled skin lesions.

Acute blistering diseases

Acute blistering diseases can be generalised or localised to one body site, and are due to infection or inflammatory disorders. Although most commonly eczematous, generalised acute blistering diseases can be life threatening and often necessitate hospitalisation.

 Acute blistering conditions should be investigated by taking swabs for bacterial and viral culture. Skin biopsy may be helpful in making a diagnosis.

Acute generalised blistering disease

Acute febrile neutrophilic dermatosis 

Atypical enterovirus infection 


Eczema herpeticum 


Polymorphic light eruption 

Erythema multiforme 

Stevens Johnson syndrome / toxic epidermal necrolysis

Drug hypersensitivity syndrome 

Staphylococcal scalded skin syndrome 

Acute localised blistering disease     

Acute dermatitis

Bullous impetigo 


Enteroviral vesicular stomatitis 

Clears in a few days       


Fixed drug eruption 

Herpes simplex

Herpes zoster (shingles) 

Insect bites and stings


Necrotising fasciitis 

Transient acantholytic dermatosis 


Chronic blistering diseases

Diagnosis of chronic blistering diseases often requires skin biopsy for histopathology and direct immunofluorescence. A blood test for specific antibodies (indirect immunofluorescence) may also prove helpful in making the diagnosis of an immunobullous disease.

Blistering genodermatoses

Epidermolysis bullosa 


Benign familial pemphigus 

 Chronic acquired blistering

Bullous pemphigoid 

Dermatitis herpetiformis 

 Other immunobullous diseases

 Porphyria cutanea tarda 


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