I broke my ankle, non-bearing weight bone, they put me in an air cast for 4 weeks&rest for 2 weeks,ive rested 2 weeks but it still hurts why?

Syndesmosis injury?: You may have a slightly worse sprain than originally thought present with involvement of the thick ligament between the fibula and tibia just above the ankle joint (syndesmosis ligament). Often called a "high" ankle sprain as it involves more than the usual lower located ankle ligaments (ATFL/CFL) that go from the tip of the fibula to the talus and calcaneus (hindfoot). Ask your Physician to check