 [ Symptoms ] why do my breast nipples stay hard and sore hi i am 29 i have my nipples keep getting hard they are extra sensitive to touch and just really hurt excpcially when they are hard can not lay on them while in this stage i doubt i can be pregnant cause my tubes are tied never experienced this when i was gonna go on my period it is going on three days now of this pain [ Disease ] sure but if you are taking certain antibiotics there may be a problem check with your medical provider or pharmacist if this is the case