I found a very simple at home rehab treatment for sprained ankles called H.E.M. It contains a wide variety of healing methods that are simple to do and do not require any equipment. I used it myself and now recommend it to my clients regularly.
I have yet to find anything else that is simple to do and works so effectively. I noticed a substantial reduction in swelling in 2 days and was walking normally again in 4. I went for a run on day 6 and had no pain. H.E.M. contains a complete rehab and prehab treatment program with a wide variety of healing techniques, stretches and exercises. I recommend it very highly. Give it a shot and let me know what you think.
Best,
Mark