It’s it solid and hot to touch I would say it’s possibly mastitis. When I had it the affected area was bright red and very tender. It’s worth getting it checked though because if it is you’ll probably need antibiotics.
Thanks for sharing
I got checked and it seems not mastitis touch wood but don't know what it is. I was about to get periods during that time and probably it is to do with it
If you develop a high temperature too then its most likely mastitis. Hope you're feeling better soon its awful to go through