Should i be concerned? (First picture is my breast but nipple is blocked out)

Im sorry if i posted this in the wrong group but i don’t know where to post it. I’m having little red patches pop up on my body and they start off really itchy and then they leave brown scars when they stop itching (i don’t scratch them because i don’t want them to scar worse) this just started happening recently and I’m unsure of what’s going on. They’re all down my neck, on my boobs and my face.