Your best bet is to include foods that are anti-inflammatory and/or act as a diuretic. It will depend on if the swelling is due to inflammation or water retention.
Here's two links to get you started:
thank you for your help. I have deep vein thrombosis and have been treated with laser etc as I have poor circulation. Typically when hot I swell up more than other times. I take all the precautions but I wanted to blast to feed my body the right nutrients which would help with overall circulation . thank you!! ill try these