The right breast pain during breastfeeding is considered to be a symptom of lactation, mostly due to the pressure on the mammary glands and the blockage of the milk ducts causing milk stagnation, which is manifested as localized pain and lumps in the breasts. You need to go to the regular hospital in time for lactation massage treatment to avoid the worsening of stagnation symptoms. Milk is a good culture agent for bacteria, once the bacteria invade, quickly form suppurative mastitis, then the symptoms of breast pain aggravated, fever, chills and so on. Breast pain also need to consider the local impact, extrusion and other soft tissue damage, the pain is usually in 3-5 days can be relieved, can be localized hot compresses. If there is nipple inversion in one breast, breast swelling and pain can also occur due to the obstruction of milk discharge. Therefore, if you have symptoms of nipple inversion, try to correct the treatment before pregnancy. When breastfeeding breast pain occurs, try to go to the hospital first for examination and diagnosis.