My mother's is an arthritis patient, one month back we consulted to doctor but after taking medicines her legs start swelling seems like water retention problem in legs and then followed by the whole body swelling. After that also we consulted doctor he has prescribed medicines and asked for kidney test, all reports came normal also with those medicines swelling has gone for a time being but after a week again same problem started and now her legs and whole body got swollen so much please suggest what needs to be done to get rid of this swelling problem.