I Had Both Hips Replaced 6 Months Ago And The

I had both hips replaced 6 months ago and the coflex back surgery a year ago. in the last two weeks .my right leg has been swelling I have been doing chair Yoga for 4 months should I go to orthopefdic md said to take 2 lasick for fluid retention, diet dr says no lasicks drink a lot of water , your thoughts please