Blisters are seen in
1st degree burn
Superficial 2nd degree burn
Deep 2nd degree burn
3rd degree burn
Superficial second degree burns Involve upper layer of dermis (papillary dermis) Erythematous Blisters are seen Blanch to touch Painful Heals without scarring in 7-14 days Ref: Sabiston 20th edition Pgno :506-507
General surgery