Breast swelling and pain with nodules before and after menstruation are common diseases such as breast hyperplasia, breast fibroadenoma, etc. The causes are different and the treatments are different, but it may also be physiological, which can be relieved by applying hot compresses first, and if it can’t be relieved, consult a doctor for treatment. 1. Breast swelling and pain with nodules before and after menstruation may be related to the change of hormone level in the body, and usually disappear after menstruation. If the symptoms of swelling and pain are obvious, hot compresses and proper massage can be used to relieve the symptoms. 2. It may also be caused by breast hyperplasia, breast fibroadenoma and other pathological factors, usually the symptoms can not be relieved by hot compresses, then you need to actively go to the hospital for diagnosis and treatment, and the common treatment methods are drug treatment, surgical treatment and so on. If it is a breast hyperplasia patient, you can follow the doctor’s instructions to use tamoxifen and other drugs to relieve the symptoms of pain, but can not play a role in the root cause, usually need to take the breast lump excision, in order to avoid its further development. If it is caused by breast fibroadenoma, if the tumor is small and grows slowly or unchanged, it can be followed up for observation. However, if the tumor is large and grows rapidly, surgical intervention is needed, such as lumpectomy, vacuum-assisted minimally invasive rotational excision, and so on. Breast swelling and pain with nodules before and after menstruation, there is also the possibility of non-lactating mastitis, breast malignant tumors, etc. Therefore, after exclusion of physiological factors, it should be timely consultation, so as not to delay the condition, and the drugs should all be used in accordance with the doctor’s instructions.