<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi I am a healthy 26 yr female. I had my daughter a year ago and only breast-fed for 6 weeks before she had to be put on special formula. Yet I am still lactating and its starting to get painful because I can feel the sensation like my milk is dropping. Im worried something might be wrong with the milk ducts as to the fact when my daughter was 3 weks old I developed severe mastitus. please help.  <response>: Hi, I understood your query. - Chat Doctor. It happens when baby is not fed for a long time, it overflows. Its not a sign of milk duct problem. - Stagnation of milk in breast may cause little pain. - mastitis is a condition of swelling, hardness, painfultender breast-which is many a time following some trauma hard push to a lactating breast. Many times it is associated with fever. A healed mastitis is not known to cause defect in milk ducts unless it was treated by incision 