One sided breast and underarm pain

Posted , 6 users are following.

Hi, I'm a 21 year old female looking for some support and answers. No immediate family with bc history. This is a very long post but I want to be thorough. 

September 2016- started birth control 

January 2016- right breast inverted nipple surgery (present my whole life, always more dense and sensitive than left, healed with no complications)

March 2016- armpit & arm discomfort began right side (non cyclical breast tenderness, dull aches, stabbing pains, heavy, swollen feeling in arm in am, got harder to do things with hand as day progressed)  

August 2016- started new job at daycare. Had multiple sinus infections and viruses that I attributed to new kids. Took multiple rounds of antibiotics throughout year. Eventually stopped getting sick. 

October 2016- informed gyno with issues during annual visit (small painful pimple like bumps and deepened lines under right armpit appeared) was told it was from shaving and deodorant 

October 2016- January 2017- bumps diminished & pain seemed to go away (some cyclical pain present) 

April 2017- ekg, chest X-ray, and blood work all came back normal from stress related chest pain on left side which has since subsided 

July 2017- performed self exam on right breast and armpit during vacation, all previous pain and bumps returned (armpit looks slightly swollen, but not sure what a lump is supposed to feel like)

July 2017- returned to gyno about returning symptoms 

August 2017- sonogram of area, came back normal (healthy dense breast tissue). Doc said unexplained breast pain or hormonal changes can radiate to armpit. Gave suggestions to help with pain ex. evening primrose oil & vitamin e. 

Now- looking for answers. Only other physical symptoms are some light bruising from underwire around breast. Worried about ibc. Doc said usually cancer does not develop in lymph nodes first but spreads later. What tests should I have done going forward? Mri, biopsy, or could it possibly be something like a cyst, blocked sweat glands, or nerve. Worried bc only one sided but this breast has always been different. Also wondering if this is a side effect from surgery such as infected ducts etc. Please let me know if anybody has any knowledge of what is going on. I have extreme health anxiety and have had a very stressful year all around. Need some results to put my mind at ease. 

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4 Replies

  • Posted

    Hi Jess, If you could possibly afford to go see a Gyno privatly i would, they normally will see you after inital private consultation via the NHS, but it is a way to not have all this waiting around, my mother in law did this years ago and she was told shed have a 3 month wait on NHS for urgent Gyno Apt. 

    ​I wish you all the very best and hope everything resolves itsself quickly.

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  • Posted


    I'm going through the same thing. It runs in my family and I have tried all sorts but it never fully goes away. Have you had any update or improvement on this?

    I find that it's worse around my period and when I am ovulating and that shaving and deorderant make it worse.



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  • Posted

    Hi Jess. I read your post and was hoping you found some answers. My daughter is 12 and she has been experiencing the same pain. She first started her period when she was 10. Since then She hasn't had a regular cycle. But the past few months she has noticed that her left breast is considerably larger than the right. Enough so that she can't wear her regular bras. She's been very embarrassed because it is very obvious that the left side is a lot bigger. She's been having a lot of pain with that side also and armpit pain. She has an appt with my gyno on the 22nd of this month. Today she was crying because of the pain and her hormones since she's on her period probably isn't helping. We're both extremely worried. So if you have any ideas or can share what you found out that would be great. Thank you.

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  • Posted

    Have you received any information regarding this.   It sounds exactly like what I have.  1 question. Under the arm u said pimple like bumps, in the same place or all over? 
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