You need to see a podiatrist. You likely sprained your ankle and if you do not go into a CAM boot for 2 weeks with X-ray follow up, it will heal in a weak position.
include bone and cartilage, ligament, tendon and nerve. With this in mind, your injury may warrant more aggressive initial protection than simply a soft wrap and limited activity. Followed by this period of appropriate protection you may also benefit from formal physical medicine and rehabilitation in order to achieve a more expedient restoration of ankle function and reduce the likelihood of chronic issues.