A lactician would be the best source for strategies to overcome the mastitis. Ask your pediatrician if they have one in office, or if they can refer you out.
I’ve seen a lactation and explained my situation she was not receptive she just kept encouraging me to keep trying to get a better latch and was not acknowledging I did not want to breast feed or pump anymore 😭
I was just in the hospital at 3am this morning and was informed that’s what I have I wish this on no one