Try taking sunflower lecithin. It can help move that. Also loooots of water I got out a warming vibrating breast massager too when it happened to me massaged towards the nipple. The combo helped
It’s a whole lot of inflammation, not necessarily a chunk of milk blocking the flow! Cold compress alternate with heat and ibuprofen helps.. gently massage. If fever or rash occurs, contact your doctor as it only takes 24 hours for mastitis to occur. Best of luck. 🫶🏼
Have you tried lymphatic drainage massage? After doing it for a few days it made a huge difference for me. Here's the link https://www.youtube.com/watch?v=fHD90LlCkGc