Nellietheelephant
I went to my GP for exactly this problem and was prescribed two tablets to be taken daily, one a diuretic and the other specifically for the ankles. I was already on Bisoprlol (I have AF) the dose being reduced to 1.25 mg, and Bendroflumethiazide (try saying that after a few drinks!) 2.5 mg. was added. So far there has been a considerable improvement and I am very pleased. Hope that might help.
I'm on blood pressure meds and was put on a diuretic (Bendroflumethiazide) as well as all my other meds for diabetes. I'm guessing that was the thing that helped the most with reducing the swelling in my legs. I've always had to keep my legs up when sitting, so having recliner chairs at home has been a necessity, and I've always suffered if I've been away where I couldn't easily put my feet up. Since the swelling got better I was able to walk more and keeping moving also helped. I lost a lot of weight, partly because of losing the fluid and partly because of increasing exercise. My feet and ankles still swell a bit if I'm on my feet for too long but the problem is vastly improved.
Talk to your doctor about maybe taking a diuretic, but meanwhile keep your feet up as much as possible and keep your legs moving, including while sitting. I find a good exercise for my legs is pushing the manual recliner up and down a few times at regular intervals. As I got fitter I could do more repeats before I was too tired. If you don't have recliner chairs use a footstool of some sort and keep lifting your legs up and down frequently and circling your ankles while sitting. I found that helped too.
Good luck.