Based on ur history it looks like an ankle sprain
Which basically takes 4 to 6 weeks to heal in some it might take 8 weeks too.
Next Steps
1)Get an x ray ankle to rule out any fractures.
2)Limb elevation with 2 pillows
3) Good ice pack compressions
4)Crepe bamdage application/ankle binder to prevent furthur stress on ligaments.
5)Analgesic zerodol sp twice daily and chymoral forte thrice daily to reduce inflammation and swelling for a week...
Health Tips
Avoid strenous works such as long standing/climbing stairs/running/jumping etc