Any pus?
Try massage for 20mins and use hot compress.
Keep latching and pumping for longer like 30 mins.
You may need to call lactation lady if doesn’t work.
swollen and inflamed, it’s milk duct.
Continue to latch / pump and also to use massage , hot compress / hand express too.
Can latch or pump longer than 30 mins till feel softer. Even up to 45mins or an hour.
If didn’t, whole breast will be v hard like rock n more painful!
And will get infection - mastitis
Rae