• Krissy Krissy
    October 29, 2009
    Why is my right breast suddenly larger?
    Krissy Krissy
    October 29, 2009

    A week ago I started noticing my right breast growing larger...It is now about a cup size bigger then the left. It isn't really pain as much as it is an odd discomfort an some tenderness. I'm not worried about it being cancer as much as I just want to know what is going on. Im only 18 and its starting to worry me. This morning when I woke up there was a bruise along the top portion of my right breast. What could cause this?

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FROM OUR EXPERTS

  • Phyllis Johnson
    Health Guide
    October 30, 2009
    Phyllis Johnson
    Health Guide
    October 30, 2009

    A difference in breast size is not uncommon, and at eighteen, your breasts might still be growing, but at an uneven pace.  You could be having swelling associated with your menstrual cycle or pregnancy that for some reason is affecting one breast more than another.  The swelling is probably what is leading to the discomfort and tenderness.  Swelling can also be a symptom of an infection or a rare type of breast cancer called inflammatory breast cancer.  

    Since this is a sudden change in your breasts, you will probably need to call a doctor to get it checked out.  If it is near time for your period to start, you could wait to see what happens after your period.  Many women have breast swelling and tenderness in the week or two before their periods, and it's not always even.  If the swelling goes down, wait another month and see what happens.  This may turn out to be part of your monthly cycle.  If the swelling does not go down after your period, call the doctor.  The cause is probably not dangerous, but you'll feel better once the doctor has checked it out.

    • cher
      March 15, 2011
      cher
      March 15, 2011
      I am almost 30 years old and my left breast suddendly grew larger then my right.  It feels firm and it bounces more then normal.  What does this mean.  This has never happened before and I am well past my teens. READ MORE
    • PJ Hamel
      March 15, 2011
      PJ Hamel
      Health Guide
      March 15, 2011

      Since it's noticeably larger, and feels firm, it sounds like there's some swelling there. This is something you'd want to consult a doctor about; you might have an infection, especially since it happened so suddenly. Best to call the doctor and make an appointment ASAP, OK? Take care- PJH

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    • Phyllis Johnson
      March 15, 2011
      Phyllis Johnson
      Health Guide
      March 15, 2011

      I agree with PJ.  A sudden, dramatic change like this needs a doctor's attention.  It may be a minor problem, but you will feel better once a doctor has checked you out.

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