Sprained ankle usually take 4 to 6 weeks for healing.Meanwhile u need to take proper care depending on severity of injury which includes rest and support like ankle brace..
if u don't follow this..ur pain will increase and also injury will worsen.
Next Steps
Visit ur orthopedician to understand the severity of injury.
Do xray to rule out fracture..
Follow the instructions given by doctor.
Health Tips
Take rest, apply ice or gel..
Use ankle brace while walking or standing for long time... don't walk on uneven surfaces.