Hi. You have a history of severe pain in abdomen for half an hour and bloody and feeling hot. The possible reasons are , Porphyria. You have to get a special test of urine, a simple one you can get this done at home. Keep the urine in a clear glass bottle and keep it exposed to sun- if Porphyria this urine will become red or brownish. Another reason can be bleeding in the intestine to cause it go into spasms. Watch for blood in stool or black stool suggestive of malena that is black stools as there is bleeding anywhere in the upper gastrointestinal tracts. You need : A thorough clinical check-up; Blood work including bleeding time, clotting time, platelet count, prothrombine time. to rule out any Blood Dyscrasias / dioreders causing pain in abdomen and bleeding noses. The treatment will depend upon the findings.