What are the symptoms of mastitis?

Breast infection : Mastitis is an infection in the tissue of the breast. It usually caused by a common bacteria (like staph or strep) found on skin. The bacteria enter through a break or crack in the skin, usually on the nipple. The infection takes place in the fatty tissue of the breast and causes swelling. This can feel like a hard, painful lump and may be red or warm. You may have a fever and flu like symptoms.

Pain,redness: Pain, redness, a tender lump can be seen in mastitis. Fevers and chills are possible. The treatment may require antibiotics and drainage. This requires evaluation by a doctor.