Hi.
Noted the history and understood your concerns as there is no diagnosis yet in spite of 4 attacks of feeling sick to stomach,
diarrhea, skin turning into bright red and passing out twice and seen the Doctors.
Blood tests must have been done routine hence not found anything.
As per the history I would advise you the following:
Consult a Gastroenterologist.
You need a detailed blood work including the tests for a condition called
Carcinoid tumor into which one gets similar symptoms.
Also needed is Contrast enhanced CT scan of abdomen.
Colonoscopy and biopsy.
Blood tests for tumor markers.
Tests of stool for three consecutive days.
All these will lead to a proper diagnosis and thus get treated as per the findings.
If this turns to be a Carcinoid syndrome then you may need a surgery and
chemotherapy under the guidance of Cancer Specialist.
Hope I have answered your query. Let me know if I can assist you further.
Regards,
Dr. T Chandrakant,
General Surgeon