Blood coming out of your nipple is something whose cause should be identified. It sounds like you should see a breast specialist; just having a clear mammogram and ultrasound doesn't address what might be an infection, or abnormal growth of some kind within or right under your nipple. So, if your doctor can't tell you specifically what's causing this, ask him/her for a referral to a breast specialist, OK? Good luck - I hope you get this cleared up soon. PJH
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