An ankle sprain can happen when you twist your ankle. The ligaments that support the ankle can get stretched and torn. Often the ankle is swollen and painful.
Ankle sprains may take from several weeks to a few months to heal. Usually, the more pain and swelling you have, the more severe your ankle sprain is and the longer it will take to heal. You can heal faster and regain strength in your ankle with good home treatment.
It's very important to give your ankle time to heal completely, so that you don't easily hurt your ankle again.