Hi and Thanks for your query.
Since the bony injuries have been ruled out, a soft tissue injury
is likely. You need to avoid massaging the area and take a mild pain killer for relief. Avoid sitting for long hours. Do a cold
compress on the area of injury.
The pain and swelling might take over a week to subside.Avoid putting weight and rest well.
I do hope that you have found something helpful and informative and I will be glad to answer any further query.