The common causes are epidermolysis bullosa, bullous impetigo, incontinentia pigmenti, bullous ichthyosiforme erythroderma, neonatal pustular melanosis, transient neonatal erythema, urticaria pigmentosa and scabies.
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| Dystrophic epidermolysis bullosa |
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| Bullous impetigo |
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| Incontinentia pigmenti |
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| Neonatal pustular melanosis |
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| Lesions of urticaria pigmentosa may blister when rubbed |
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| Eczema and scabies |
