Thank you for your medical query at AskTheDoctor.com
I understand your concern.
Twisting of the ankle can be very painful and it does cause a sprain.
The pain may last several days ranging from 5-7 days.
If you're able to put pressure and walk, it rules out any minor fractures.
I will advise you to take a good analgesic like Ibuprofen ( Advil ) for the pain and locally you can apply Diclofenac gel for 3 days. If the pain still persists, you can consult your physician for an x-ray.
Hope this was helpful,
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