I wear slides or flip flops when i have swelling. Slides are great because they are adjustable. However, neither one give any type of support. Currently i have a boot on my right leg so im only wearing 1 shoe. But another alternative wouldbe seeing a podiatrist. They have shoes that are adjustable, and honestly, theyre not too ugly lol. They also offer variety, sneakers, flats, boots all kinds and some are slightly fashionable! Whatever you decide, i hope you find some comfort!
Best of luck!