Pathology and Clinical Features of Mastitis d) Infectious mastitis: Due to stasis of Milk in breasts, ineffective removal of milk leads to accumulation of milk in breasts, which provides a favorable environment for the growth of pathogenic microorganisms. Symptoms are fever and malaise; the breast becomes red, painful, swollen and hard. Milk culture test is done to identify the causative bacteria for infectious mastitis Antibiotic sensitivity test is done to identify which antibiotic can be used for treatment of infectious mastitis. Recurrent (Re-infection) Mastitis may be due to delayed or inadequate treatment of the initial condition or uncorrected poor breastfeeding technique. Published on Feb 06, 2016Last Updated on Feb 06, 2016