https://www.healthcentral.com/article/right-nipple-changed-color-darker-left-one-sensitive-not-painful
Breast Cancer

My Right Nipple Has Changed Color To Darker Than My Left One. It Is Sensitive, Not Painful.

    Answered by PJ Hamel
    You should know: The answer above provides general health information that is not intended to replace medical advice or treatment recommendations from a qualified healthcare professional.