Ice and elevation are very important. You can also easily get a splint or what we call the moon boot or aircast boot. It will stabilize the leg.
It’s about immobilization for the first two weeks. Physiotherapy is extremely important, as are stabilization exercises, but actually after acute injury, the first week or two is a recovery phase. It is the rest phase, an immobilization phase, and if you do not do that, the body will not heal.