The pain and swelling may be due to the ligament or soft tissue injury
and in some cases the fracture
may also cause such symptoms.
You should apply the ice pack and immobilise the foot.The drugs like motrin
, advil may be taken to control pain and inflammation.
You should also get the x-ray of the foot done and consult the orthopaedician/doctor to rule out fracture as delay in diagnosis may result in malunion