this blister only in summer season please dx and Rx

Identify this blistering skin disease in newborn. How is it different from bullous impetigo ?

23yr male with such lesions over the trunk associated with itching sometimes since 2 to 3 months. No other significant history. kindly opine

2year 7 month having this patch 2 days .. no itching sir/ madam please

A 12years fem ....has this lesion... with itching...plz spot and diagnose..