Thi sounds very hormonal - could you possibly be pregnant? Whenever both breasts are exhibiting the same change from normal, it's usually something systemic - hormones, an allergy, or something else affecting your whole system. Thankfully, breast cancer almost never exhibits symptoms in both breasts at once, so I wouldn't worry too much about that. If the swelling, pain, itchiness and nipple discharge continue longer than a week or so, though, I'd head to the doctor; it sounds uncomfortable, and you'd want to try to get some relief. Good luck - PJH
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