It's perfectly normal. Hormonal changes are what causes your lymph nodes to swell.
Every Month At Least A Week Before My Menstruation Begins I Feel Tenderness And A Swollen Lymph Node Under My Left Armpit And Before My Menstruation Is Half Way Done It Disappears No Pain And No Sign That Any Lymph Nodes Was Ever There, What Does It Mean?
I have this too and it's under my left arm pit every month. It starts around day 20 or so and then subsides usually around the day I get my period. I've had 3 doctors examine and tell me I am fine and it's nothing to worry about. Apparently it's attributed to changes in cycle hormones and it's normal to have swelling in breast area or armpit for some people. But if anyone has a swollen armpit it's better to go to your own doctor and get checked out just to be sure.
I have had the same exact problem! It hurts so much sometimes! I went to three doctors, an infectious disease doctor and a breast surgeon who took out two lymph nodes to rule out cancer. I began tracking the swelling and tenderness and it is two weeks prior to my period. Is this normal to just start having this? I'm 28 and never had any problems like this before. I don't understand why this is happening now? Should I stop birth control?