Abdominal Spasms, Nausea, Weakness, Feeling Hot. What To Do?

Hi, I got abdominal spasms wed night, stood up, experienced nausia, started to feel hot, feeling week, so I sat down and moments later I lost concience. Came about and past out again. I had hot and cold flashes cold sweat, turned very pale. When I past out second time I am told I rolled back my eyes. Paramedics were called. They checked my bp , which at the time was 108/72, temp and ekg was also normal. I had extrem cheels, nausia and cramps . I atempted to be seen in er, but the wait was more then 3 or 4 hrs., I was unable to handle that. I had a couple of times through that evening and night of almost fainting . Next day on thur I was feeling week, slept for 3 hrs during the day. Still had some cramps and quisiness in my stomach . Drank water and tea all day, in the evening had clear chicken broth, dry toast, half of babana. Next day, fri. I felt much better and stayed on vegetable soup and cooked fruit, with its broth, toast. At night saw tha I have rush with mild to no itching as of now. Any advise?