im a 27yr old female

my left breast itches around the nipple and i have pain above it associated with pain in my left arm. do you have any answers what could be causing it?

[izapharry]

Some women have found that Vitamin B6 may also help them to gain relief from premenstrual symptoms such as cramps, breast tenderness, fluid retention, irritability and mood swings. Vitamin B6 may also help those suffering from carpal tunnel nerve syndrome.