My 1.5 yr old baby having this red colour from 2 days. She has itching and irritation there. What can do for this?

A. Hi ma’am Which red colour you talking about where is the red colour in what there is red colour where is your child having itching or irritation you have not mentioned anything specifically in your query I do not know what are you trying to ask so please be more clear and specific while you are posting your query