what are the reddish rash?

A patient of 26yrs complains of rashes over face and back region started from ear with primary complain of fever Dx plz

2 months old baby came with this type of skin lesion since 2 days

27yr F c/o burning itcthing and eruption.from 3to4 days of sudden onset only at neck as in picture . only few rashes are down to brest as well nondiabetic and nonhypertensive.

14 yrs F lesions only on Lt leg itching since 3 days Plz suggest DD

32 yr male with pinkish papular rashes on trunk with burning sensation without itching plz provide management