34 year old female with these rashes ,,,,diagnosis and treatment respected doctors

One year 9 months boy having sever itching and patches over the knee folds and face, scapula region , body .. sir , madam please advise

This rash 3yr old male. itchy progressive.diagnosis and treatment please

6 yr old child comes to me with h/0 itching rashes since 7 days. Pt has taken becasule cap. N cetrizine since 5 days as advised by some local practitioner bt no response . Respected seniors Kindly give your expert opinion .how to manage?

b'3 months old infant ,playful, active ,no fever. \nScabies ???'