<s>[INST] Hi I had a sinus infection in November 2016 and I started having sharp pain under my arm in my pits which moved to both breast!! I have found no lumps.  And it comes and goes no change in breast at all and its March and I still have it what could it be [/INST] Hello, As per your clinical history, is concerned please follow like this -1) Do a clinical examination by your doctor [rheumatologist] and do few pathological investigations like [A blood differential count, ECG ECHO]2) Discuss with your doctor about prescription painkiller like [oxycodone/acetaminophen]3) Discuss with your physiotherapist for a specific exercise plan. Do follow lifestyle modifications like this -1) Use heat or ice. Try placing hot compresses or a heating pad on the painful area several times a day. Keep the heat on a low setting. Ice also might be helpful.2) Take rest and try to avoid activities that make your pain worse. Hope I have answered your query. Let me know if I can assist you further.   </s>