Frequently indicated remedies for this condition include the following:
Phytolacca: the most frequently indicated remedy for mastitis. the breasts are often lumpy and will be caked with hard knots and nodules.
Bryonia: the breast pain is worse after any kind of movement.
Belladonna: mastitis with sudden onset, high fever and throbbing pain
Lac Caninum: the breasts are so sensitive that even the touch of clothing against the breasts is excruciatingly painful
Hepar Sulphuris: the breast is extremely painful and worse if exposed to drafts.
Silica: the breasts have painful cracks in the nipples
Give a 30C potency of the indicated remedy a few times per day until the problem resolves.
Also the topical application of calendula cream will help unblock the milk ducts.