Hi
There seems to be a ligament sprain thats is that the ligament which connects your bones is partially damaged
Next Steps
Apply ice 4 times a day for 10 min
Do not walk more that required
Apply crepe bandage or an ankle binder
Take chymoral forte twice a day after food for 3 days
Any painkiller which suits you
Health Tips
Follow up with xray of ankle
Ap lateral and mortise
If no relief