It sounds like a clogged duct. I had this a couple of days ago. Massage the heck out of the breast while pumping and apply a moist heat. You can fill a sock with rice and heat in the microwave. Apply before and while pumping. Mine finally released and then my breast got soft again.
Thanks for the tips y'all. I think it was a clog. As it ended up, I left work and nursed my baby on that side. When they say a baby empties the breast better than a pump it's true! With him nursing and a little massaging, he emptied me. I'll keep those in mind next time that happens when I'm at work.
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