Sounds like a clogged duct. Just keep massaging it and feeding and pumping it should eventually drain. I get one every couple of months. I also heard that laying your baby down and being on all fours over your baby with their chin pointed at the lump while feeding helps, hasn't worked for me but a lot of women say it does. Good luck.
it does sound like a blocked duct. Just keep bf n massaging the area that hurts
Put a warm compress on it for about 3 min before your next feeding. Take tylenol for pain if need be.
If you pump at all try applying pressure to that area (I know it'll be painful) or massaging the area to help clear out the duct if it is in fact a clogged duct. I've had a painful lump like that before and doing this while pumping usually took care of it.
Thank you all for you're advice!