mastitis symptoms?

BabyA
I skipped a feeding2 nights ago and I was really engorged so my breast was sore. I nursed my baby and pumped and one day later it's still really sore. I don't feel any lumps. Also last night my body was achy and I had chills. Anyone had this before? How long should I wait to call my doctor? I feel better now except for the soreness.