What makes an ankle sprain fast better?

Ankle sprain: To heal a sprained ankle, it depends on the severity of the sprain. If its a chronically sprained ankle with constant pain and instability, it will take longer than a mild outside sprain. Usually 3-4 weeks of rest, icing, antiinflammatory meds (like advil (ibuprofen) or motrin), bracing or compressing wraps, with or without physical therapy should the starting treatment. Hope that helped!

Many possibilities: Treatment depends of the exact type and severity of the injury. Have it evaluated by a professional and get the appropriate treatment.

Ankle Sprain: As soon as possible after an injury, such as a knee or ankle sprain, you can relieve pain and swelling and promote healing and flexibility with RICE-Rest, Ice, Compression, and Elevation. http://www.webmd.com/first-aid/tc/rest-ice-compression-and-elevation-rice-topic-overview