Around how long should swelling from a sprained ankle last?

Ankle sprain: The swelling typically lasts from 3-6 weeks, depending on the severity of the ankle sprain. Swelling improves with elevation, rest and application of ice.

6 weeks to tx sprain: An ankle injury can involve many foot and ankle structures. Depending on how much damage there is, it may take up to 6 weeks of immobilization, rest, ice, elevation and anti inflammatory medication before the pain and swelling subside.