M.S.
you may have clogged milk duct causing you soreness in your nipple too.The first sign of a clogged duct may be a small, hard lump that's sore to the touch, or a very tender spot in your breast. this might cause infection over time if not treated. in that case then you will notice redness and You might also feel achy, run down, and feverish, which could be a sign that your clogged duct has become infected.Ducts become plugged when milk fails to drain completely. This can happen because of a poorly fitted nursing bra, incomplete or skipped feedings, an illness such as a cold, or brought on by stress, or simply out of the blue. Left untreated, a plugged duct can evolve into a full-blown breast infection known as mastitis, so don't ignore the symptoms.
Nurse, nurse, nurse! Frequent nursing is crucial to completely empty the breast, for comfort and to reduce inflammation. massage the sore area frequently and firmly, starting at the top of the breast and working your way toward the nipple. Applying warm compresses before nursing can help empty the breast.you may also use herbal remedies such as echinacea, lecithin, and vitamin C. Next to nursing, the most important thing is rest.Hope this will help you but if you are not better by monday go and see your provider for evaluation.Good luck and great job breast feeding your baby this long.