Swollen ankles, feet and legs (oedema)
Swelling in the ankles, feet or legs often goes away on its own. See a GP if it does not get better in a few days.

Common causes of swollen ankles, feet and legs
Swelling in the ankles, feet and legs is often caused by a build-up of fluid in these areas, called oedema.

Oedema is usually caused by:

standing or sitting in the same position for too long
eating too much salty food
being overweight
being pregnant

I know what you mean .wet a clean towel and wrap it round.sometimes it helps.