My baby is getting mosquito bite like blister on his skin. earlier I used to think that it's a mosquito bite but after observing him I got to know that these blisters are coming by itself. please tell me is it reason to worry ?

A. Skin infection types in babies: Yellowish-orange or honey-colored crusts, often on top of eczema.Pus-filled blisters, especially on top of eczema.Sores that look like cold sores or fever blisters.Reddish, swollen bumps on skin.Streaks or redness spreading on skin.