Interesting, if there is still considerable swelling then indeed it may be compressing the nerve. However, have you tried elevating the leg? Additionally a physiotherapist who is expert in massage and taping may help alleviate some of the issues you are having. Are your ankles beginning to swell? Compression socks may help, but the idea is the improve venous/lymph flow to enhance healing. Also what colour is the bruise, do you feel you have lost muscle strength in that limb? How many days ago was this?
Regards