The right side of the outer axillary breast pain has the following conditions: 1, lymph node inflammation. The lymph near the axillary area is richer, so lymph node inflammation has occurred resulting in breast pain, you can take azithromycin anti-inflammatory, Siwei Pu pain, do not eat spicy and stimulating food. 2, mammary gland hyperplasia. Breast enlargement leads to breast duct expansion, easily causing breast pain, accompanied by small nodules, but the edges are clear and can be moved, you can take Xiaojin pill or breast fetish elimination to disperse nodules and relieve pain, pay more attention to rest. 3, breast cancer. Breast pain does not exclude the possibility of breast cancer, breast cancer with cellulite-like changes in the skin of the breast and nodules with blurred borders, it is recommended to go to a regular hospital for medical consultation and breast ultrasound or even breast biopsy to clarify the cause of the disease before making a treatment plan.