 [ Symptoms ] i am nursing my 9 5 month old both of my nipples are sore and one breast has hard lumps mastitis or thrush  the breast with the lumps is quite sore and the nipple has bled when nursing i also have a low grade fever was 100 6 now 99 5 chills and nausea this has been going on for 48 hours i have not slowed down with nursing but the lumps do not seem to be getting better [ Disease ] you may have both but unfortunately the information in your posting is not sufficient for me or any medical professional to be able to make a blind diagnosis you will need to be examined by your ob gyn or primary care medical provider