There is a rise in milk specific how to unblock with the cause, nature, mild can try physical therapy, such as to find a professional milk opener, through 2 to 3 times can be emptied.
Smaller hard lumps can be sucked with a breast pump, but also auxiliary massage, such as massage from the outer upper quadrant, the correct method is the thumb or index finger placed at the areola to expand first to the outside of the nipple, and then squeeze the nipple in the direction of the inside, do not directly squeeze the nipple. If necessary, ultrasound and blood tests can be done to rule out inflammation, and if there is inflammation you can take antibiotics to treat it.