You should go to the emergency room or call your physician immediately--dependent on what the doctor observes he may order an x-ray or an ultra sound
. With the radiating pain
, that is symptomatic of a spinal injury
(either muscular, nerve
or disc issue). It could also be a vascular related event such as a blood clot or deep vain thrombosis
. Both issues are sometimes easily treatable, based on the prognosis and report of findings from your physician. Not to cause alarm, but it is strongly advised that you should consult with a physician and be examined immediately. Hope you better soon, be well.