Breastfeeding tips ASAP (my boob is currently in a lot of pain)

Dijon

I need help asap! Random, but my left boob started hurting so bad today. At first it was just my nipple but now it's my entire left boob. It's so sensitive and hurts so bad that I can't even pump or breastfeed on that one. Anything you know of that I can do to ease the pain?

Thanks in advance