Thanks for writing to Healthcare magic,
I have studied your case,
According to your history and symptoms it seems that problem has arised due to lifting of heavy bags on shoulder during travelling.
is not helping you may need to undergo some investigation to look for any organised mass which is not resolving.
with antiinflammatory to reduce size of collection.
Do ice fomentation.
Hope I have answered your query. Let me know if I can assist you further.