If it hurts to walk, I would stay off of it. Use crutches for a short period of time. You can use an ace wrap around the ankle. This can be bought at any drug store. I see no harm in using ice if that relieves the inflammation. Use over the counter pain relievers if needed. If the pain is serious and your ankle is giving way then I would seek medical care from your physician.
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So keep the foot elevated for the first few days at least a few hours out of the day and try to stay off of it for a few days. Gradually start to mobilize it and do some ankle exercises such as stretching and strengthening exercises . Don't keep the joint completely still. It usually takes 4-6 weeks to completely heal. If your symptoms do not improve, or get worse you will need medical care so see your doctor at the time.
Hope you have a good day. take care.